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Design 3d printer models


Full Guide! – 3D Solved

You bought your first 3D printer and already printed the files that came with it as well as some of the free 3D models available on the web.

However, once you’ve done that it’s time to start designing your own prints, but to do that you’re going to have to learn some 3D design.

So, in this article, I will be giving you a full guide on how to start designing your own 3D models to print afterwards, what software to use, where to find courses for those 3D design software, and much more.

So, without any further ado, let’s get started!

Table Of Contents

  1. Design your Model using a CAD software
    • Free CAD Software
      • Tinkercad
      • Fusion 360 Personal License
      • FreeCAD
      • Blender
    • Paid CAD Alternatives
    • Free 3D Design Courses
    • Some 3D modelling tips
      • Design the parts with a flat base
      • Avoid Steep Overhangs
      • Consider Layer Line direction (Stronger prints)
      • Pay attention to size for dimensional accuracy
  2. Slice the model using a Slicer
    • Free Slicers
      • Ultimaker Cura
      • PrusaSlicer
    • Premium Slicer Alternatives
    • Save the Model to the SD card
    • Use Octoprint as an alternative
  3. Conclusion
  4. Check out our recommended products section

Design your Model using a CAD software

Fusion 360 CAD.

CAD software, or Computer Aided Design software, lets you build 3D models on a computer which can then be 3D printed. Of course, these types of software are not only good for designing your prints but are also used for creating any kind of 3D element, be it for video games, animation, and more.

Once you’re done printing the free test prints that come with your printer, you generally download designs that other people made (you can use our own search engine to find amazing designs here). However, the ultimate challenge is to create them yourself using a CAD software, but this is definitely a lot harder to do than it may seem since 3D design can be quite complex.

There are some free CAD alternatives out there that are really simple to learn and use as well as some others that offer way more functionality at the cost of having a steeper learning curve. Of course, if you want to learn how to create your own models via a course, then check out this post I wrote about some of the best online 3D design & 3D Printing courses available (Free and also Paid).

Now, let’s check out some free CAD software!

Free CAD Software

I just want to note that Free software isn’t necessarily worse than their premium counterparts. In fact, Fusion 360, which is the go-to design software used by most 3D printing enthusiasts, offers a free license for personal use with only a couple limitations. However, it’s not the easiest CAD to learn.

Tinkercad

Tinkercad (Link to Review) is a browser-based CAD that is 100% free and that is ideal for absolute beginners since it relies on a drag-and-drop interface where you can select different objects, such as squares, circles, etc., and use those to create the final design.

In addition to this, even though it’s really simple and straight forward to use, it’s also a lot more powerful than it seems and will suit most of your 3D design needs, plus every design you create gets saved in the cloud and you can always access them from any device.

Check out Tinkercad here.

Fusion 360 Personal License

Fusion 360 (Link to Review) is probably the best-known CAD currently being used by 3D printing enthusiasts since it’s extremely powerful and capable of creating every 3D model imaginable.

The learning curve is a lot steeper than the one of Tinkercad, but it’s also a much more professional software capable of creating more complex designs.

It offers a couple different pricing options and let me tell you, it’s not a cheap software, but they offer a personal license that you can use for free for 3 years and that only comes with some minor limitations when compared to the premium version.

If you’re a complete novice when it comes to 3D design, Fusion 360 might not be the friendliest CAD to get you started, but if you follow some courses and if you take the time to learn it, you’ll be able to create much better designs than with something like Tinkercad.

FreeCAD

FreeCAD (Link to Review) is a general-purpose and open-source 3D parametric design software that has a wide range of uses. Its main purpose is for designing mechanical engineering, electrical engineering, and architectural objects.

For that reason, it is best used for geometric designs like accurate replacement parts, detailed technological parts, scale models, and edit gadgets.

FreeCAD (link to website) could be considered a middle ground between Fusion 360 and Tinkercad since it’s a bit more powerful than Tinkercad while also being more beginner-friendly than Fusion 360, and there’s also loads of online resources available where you can learn the ins and outs of FreeCAD to design your own 3D models successfully.

Blender

Blender (link to review) is a 100% free 3D design software and it’s the most used software for 3D printing when it comes to creating organic shapes. Otherwise, it is not the most practical software for designing precise and technical objects for which there are better-suited programs, like Fusion 360.

If you want to model organic shapes such as animals, humans, or monsters, Blender is one of the best options available simply because of the fact that it is free, open-source, has powerful features, and a thriving community that is constantly improving the program.

Paid CAD Alternatives

Most paid CADs are not aimed at hobbyist designers but rather professionals and corporations that use this software for commercial purposes, which is why their licenses are usually very expensive and paid yearly.

For 99% of people reading this, none of these alternatives will be of much use to you since you can definitely get by using Fusion 360’s personal license and achieve astounding results with it.

However, some paid CADs include: AutoCAD, Fusion 360 (not the personal license one), Solidworks, Sketchup Pro, Solidedge, ZBrush, and many more.

Free 3D Design Courses

There are multiple free online 3D printing and Design courses available, but here are some of the ones I found to be the most useful:

  • Tinkercad Tutorial Series by Promo Ambitions.
  • Fusion 360 for 3D Printing 2021 by Austen Hartley.
  • Foundations of Blender: Jewelry Design in 3D (By Gesa Pickbrenner).

These three courses are all completely free and you have one for Tinkercad, one for Fusion 360, and another one for Blender, which should cover 99% of your needs.

Note: The Skillshare courses are not free but you can sign up for the free trial that lasts a month and finish all the courses you want.

In the article I just linked, there are many more free courses as well as paid ones, but there’s also plenty of YouTube tutorials out there that provide excellent information for each of those CADs.

Some 3D modelling tips

Here are some tips I thought of that should improve your chances of success while printing the models you designed, since there are some fairly common mistakes you can make that may end up ruining your print.

Design the parts with a flat base
Left: Round base, pool adhesion.
Right: Flat base, much better adhesion.

Probably the most important factor when it comes to a successful print is achieving a good bed adhesion, which means that the surface of the model that’s contacting with the bed should be as big as possible.

Imagine printing a round sphere where the bottom is rounded as well. In that case, there’s not a lot of surface available to achieve a good bed adhesion, which means that the print will detach from the bed and the printer will continue printing in mid-air, leaving plastic strings all over the print surface.

However, if you change the shape of the bottom of the model so that it’s completely flat, and if possible also with a large surface area, then bed adhesion will be much better and your prints success rate will be much higher.

Avoid Steep Overhangs

3D printing is done layer by layer from the ground up and the printer can print at an angle without any issues or loss in printing quality as long as that overhang angle isn’t too steep.

If you look at the image below, you’ll see that it has an angled overhang on the left, a bridge overhang in the middle, and a cantilever overhang on the right. This is an object designed to show you what types of overhangs your printer can deal with as well as which ones it can’t.

The angled and bridged overhangs (left and middle) are no problem for the printer since there’s enough support material available to keep the print from failing. But the right overhang, since the printer would need to print in mid-air, will fail since there’s no support structure for the filament to grab onto.

To circumvent this issue, you should either print using overhangs of no more than 45° or include supports (a setting that is enabled in the slicer) since these will form a support structure under any overhang above a specific angle to keep it from failing.

Consider Layer Line direction (Stronger prints)

Since FDM 3D printing is done in layers from the ground up, we can adjust the position of the model in the slicer before printing it to make it stronger.

Left: Vertical layer lines, much stronger when a “pulling” force is applied.
Right: Horizontal layer lines.

This works because layer lines are very strong but the adhesion between those layers isn’t. So, if you look at the image above where I sliced the exact same model but one gets printed vertically and the other one horizontally, the one with horizontal layer lines won’t withstand as much of a pulling force while the one with the vertical layer lines will be much stronger.  

You should always adjust the position of the model in the slicer so that the layer lines are parallel to the force that the object is going to be subjected to and not perpendicular, this way you aren’t relying on the strength of layer adhesion as much.

Pay attention to size for dimensional accuracy

When first starting out you’ll probably design something that needs to be functional and fit tightly with another object, only to find that the dimensions you set were completely off.

In Tinkercad, as well as every other CAD, you can see the grid (generally in millimeters) which gives you a visual cue of how large the model is going to be. But you can also click on the model and adjust the length, width and height easily by typing it in.

Always make sure to use calipers to take the right measurements and enter those into your CAD to be as precise as possible.

Slice the model using a Slicer

FDM 3D printing works in layers: The printer starts from the very bottom, prints an entire layer and then moves up to the next one, etc. until the printing process is complete. Slicers essentially “slice” the model up in different layers from the bottom up and create a gcode file which contains all the information the printer needs in order to print the object.

Luckily, all free Slicer currently available are absolutely fantastic and work really well, and there’s rarely a case where going with a premium Slicer makes any sense nowadays.

Here’s a list of the best free Slicers:

Free Slicers

There’s probably a dozen different free Slicers out there, however, I’m only going to list two since I think that those will cover all your needs!

Let’s start with the one I use, Cura.

Ultimaker Cura

Cura is the most-used Slicer out there simply because it works, it’s intuitive, it gets consistent updates, and it also feature a huge number of free plugins that you can install and which will make your life a lot easier.

For example: If you are trying to find a way of positioning the model to be sliced so that it uses the least amount of support material possible, well Cura has got you covered.

Definitely check Cura out, it’s a great software.

PrusaSlicer

PrusaSlicer, contrary to Cura, not only works with FDM printers but also SLA (resin printers), which makes it extremely versatile.

However, it doesn’t come with any free plugins that you can install, but it does offer bridge detection and “if-statements”, plus it’s also getting updated regularly, meaning that it’s only going to get better over time.

Premium Slicer Alternatives

I already mentioned that I don’t think that most people will ever need to pay for a premium slicer, especially considering how fast all the free ones are improving.

However, going with something like Simplify3D may make sense if you’re running a 3D printing shop, but I generally recommend going with the free alternatives.

Save the Model to the SD card

This is a very easy and straightforward step, but you need to do it in order to get the information over to the printer if you want to be able to print the model.

Cura automatically lets you save the file to the removable drive and even ejects it for you, but depending on the slicer you might have to do this manually. Make sure to always name the file appropriately so that you know what file you’re selecting from the printer.

However, if you’re running a printing farm or if you want to control the printer remotely, then there’s a more efficient way of doing things.

Use Octoprint as an alternative

OctoPrint is a web interface for your 3D printer that allows you to control and monitor all aspects of your printer and print jobs right from your within your browser.

You can access a webcam feed to make sure the print is moving forward as expected, as well as being able to take a look at temperatures, view reports on the progress of the prints, control the printer itself, create a printing queue, analyze the bed level via the bed level visualizer, and more.

Conclusion

Creating 3D models that can be printed on your 3D printer is a fairly simple process, with the hardest part being designing the actual model itself.

I’d recommend starting with Tinkercad since it’s extremely intuitive and easy to use, and as long as you don’t need to create really complex models don’t upgrade to Fusion 360 since it will take you a lot longer to learn the software.

The rest of the process is extremely simple, really, so I’d mainly worry about learning 3D design.

I hope this was useful!

Have a great day!

We created a recommended products section that will allow you to remove the guesswork and reduce the time spent researching what printer, filament, or upgrades to get, since we know that this can be a very daunting task and which generally leads to a lot of confusion.

We have selected just a handful of 3D printers that we consider to be good for beginners as well as intermediates, and even experts, making the decision easier, and the filaments, as well as the upgrades listed, were all tested by us and carefully selected, so you know that whichever one you choose will work as intended.

Is Blender good for 3D printing? – 3D Solved

If you are a maker or a 3D printing enthusiast having fun printing cool models you find on the internet, there will inevitably come a time when you want to change a design to meet a specific requirement of yours or just create a new one from scratch.

You will soon find out there is a big list of programs you can use to that end. I’ve been there and I know it is easy to get overwhelmed but don’t worry! In this article, I will show you both Blender’s best and worst features and compare them to similar programs so you can decide if it is a good fit for you.

Blender is a remarkable piece of software and will satisfy anyone’s needs regarding not only 3d printing but also animation, simulation, and rendering. In addition to being a powerful tool, it is also free and open-source for everyone no matter if it is for personal or professional use. It has a steep learning curve but it is well worth it for all the functionalities it offers.

Table Of Contents

  1. Is Blender easy to learn?
  2. Is Blender popular in 3D printing?
  3. Can you design anything using Blender?
  4. Online resources for learning Blender
  5. Popular alternatives to Blender
    • Blender vs Maya
    • Blender vs SketchUp
    • Blender vs ZBrush
  6. Frequently asked questions
    • Do you need a license for Blender?
    • Can you use Blender without a mouse?
    • What operating systems does Blender support?
    • Can you export STL files in Blender?
  7. Conclusion
  8. Check out our recommended products section

Is Blender easy to learn?

Blender is not the easiest software to learn, especially if you are approaching it without prior experience in 3D modeling. It is not as hard as it used to be, since in the latest updates the UI has been cleaned up quite a bit and made much more user-friendly.

Beginners might get frustrated at first because of the fact that this is a complex program with a lot of functionalities, so try and focus on one topic at a time to avoid getting overwhelmed. If you put in the effort the reward is an amazing tool with many applications, from animation to 3D printing.

Is Blender popular in 3D printing?

Blender is the most used software for 3D printing when it comes to creating organic shapes. Otherwise, it is not the most practical software for designing precise and technical objects for which there are better-suited programs, like Fusion360.

With Blender, you can design very complex models, and sculpting allows for fast and easy modeling. Unfortunately, those models could be unstable and fail in the 3D printing process.

Luckily Blender introduced a new feature called “3D Print Toolbox” which you can use to analyze your models and find out flaws that can lead to potential printing errors.

If you want to model organic shapes such as animals, humans, or monsters Blender is one of the best options available simply because of the fact that it is free, open-source, has powerful features, and a thriving community that is constantly improving the program.

Can you design anything using Blender?

Blender is a free open-source 3D modeling software with many tools and features that allow users to design anything they can think of. It can be hard to use compared to other 3D printing software but you can achieve impressive levels of detail.

Although it is possible, Blender is not the most appropriate for 3d printing industrial parts for mechanical engineering, industrial manufacturing, or architecture as it is harder to achieve the precise measurements required for those endeavors. Think of Blender as a sculpting tool: it is an amazing program to model organic shapes!

Blender is better suited for artistic design, where you care more about the natural appearance of lifelike forms than dimensional accuracy. This can be troublesome when it comes to obtaining a stable geometry for additive manufacturing. Fortunately, the “3D Print Toolbox” add-on can be used to check your model for weaknesses so you can fix them before sending it to the printer.

Online resources for learning Blender

There is a very active community behind Blender, as it is free open-source software. Many users choose to contribute by making videos and tutorials explaining the many features of this software.

I found this Blender Guru’s YouTube channel to have great educational content, so make sure to check it out! Also, the Blender Foundation provides free tutorials on their website and YouTube channel. If you are just getting started these video series explain the what’s, how’s, and why’s really well.

Popular alternatives to Blender

Blender vs Maya

Maya is a  software mainly used for 3D animation, simulation, modeling, and rendering so it can be used for the same purposes as Blender. The main difference between these two lies in the cost and ease of use.

Blender is free open-source software, whereas you’ll need to pay a subscription in order to use Maya. Students and educators can use Maya for free if they qualify for the educational plan. You can check out if you qualify for a free license here!

Maya also offers a 30-day free trial, after which you will have to pay a subscription in order to continue using the program. Maya is mostly used by professionals and big companies that can afford the software, and Blender is the choice for most hobbyists, freelancers, and small studios.

Both programs are developed and maintained for all the main operating systems (Windows, Linux, and Mac). Maya’s interface provides a cleaner and simpler user experience compared to Blender’s as its features are clearly more intuitive to use.

Currently, Maya lacks the option to check your design to see if it is ready for 3D printing before sending it to the printer. As I said before, you can do that with Blender’s 3D Print Toolbox.

Blender vs SketchUp

SketchUp’s user interface is simple and intuitive for beginners

SketchUp is a popular browser-based option for 3D computer-aided design. It can be used for free like Blender but it also has paid versions that add more features.

SketchUp is considered by most users to be one of the easiest 3D CAD modeling programs to get started in the 3D designing world. It is possible to achieve a fairly decent skill with the software in no time and with little difficulty. This is because of its user-friendly interface, which is very intuitive to pick up, even for someone without a 3D modeling background.

On the other hand, Blender’s learning curve is much steeper, especially for someone without prior experience in 3D modeling. Blender allows for a more complex design whereas SketchUp’s narrow focus is intended for simpler use.

Sketchup is typically used in construction and interior design, so you will have a hard time modeling any curved or irregular lines. Thus, I would advise against using it to model organic figures. Quite on the contrary, Blender is the perfect tool to model organic shapes and is ideal for artistic design. If you would like more information about SketchUp check out this article I made.

Blender vs ZBrush

The User Interface of ZBrush

ZBrush is a 3D modeling software primarily made for sculpting as it has an immense and refined selection of sculpting brushes while Blender has a wider range of uses from modeling to animation.

ZBrush sees more use in the professional scene since it is mainly used by big studios and requires you to pay a license or subscription in order to use it. On the other hand, Blender is free open-source software mostly used by hobbyists, freelancers, and small studios.

If you are into hyperrealism art, ZBrush is the better option for handling a higher polygon count and achieving amazing quality details, which can be hard to accomplish with Blender. Both are great tools for artistic design and both will take time to master all their features.

Frequently asked questions

Do you need a license for Blender?

Blender is free software. Whether you want to use it for personal or commercial purposes you won’t need to spend any money to use this software. As it is open-source, you and others can use Python coding to extend the software’s functionalities by creating your very own tools.

Can you use Blender without a mouse?

It is possible to use Blender without a mouse and in fact, some users prefer it that way. You can use a Wacom tablet or a trackpad to replace the mouse.

What operating systems does Blender support?

Currently, Blender is being developed and maintained for Windows, Mac, and Linux operating systems.

Can you export STL files in Blender?

Blender supports a wide range of file formats that can be used to import and export. This includes STL files, which are the most common format used for additive manufacturing.

Conclusion

Now that we have discussed the primary aspects of Blender, it is clear that it is an amazing tool for anyone interested in 3D printing organic figures.

No other option offers the same amount of features and quality for free. For similar quality programs (such as ZBrush), you will need to pay a license or subscription in order to use them.

It takes time to learn the ways around the many functions it offers but it has one of the most active communities around 3D modeling software, so there is a lot of excellent educational content to get you through the learning phase.

We created a recommended products section that will allow you to remove the guesswork and reduce the time spent researching what printer, filament, or upgrades to get, since we know that this can be a very daunting task and which generally leads to a lot of confusion.

We have selected just a handful of 3D printers that we consider to be good for beginners as well as intermediates, and even experts, making the decision easier, and the filaments, as well as the upgrades listed, were all tested by us and carefully selected, so you know that whichever one you choose will work as intended.

3D printer models

Looking for 3D printer models? The Internet is filled with sites that offer them for free. We have collected the TOP 10 catalogs that you can use to search and download free models in STL format. We hope you can find what you are looking for.

  1. Yeggi
  2. Yobi 3D
  3. STLfinder

→ myminifactory.com

My Mini Factory is a 3D model depository operated by iMakr, an online store that sells 3D printers and accessories. It also has one of the biggest 3D printer shops in Central London. The site contains 3D models designed by professionals, and all models stored on it are checked for quality. You can also make a request for the desired model, which their designers will create and put in the public domain. Billing itself as a 3D printing social network, MyMiniFactory is a thriving community of makers who love to showcase their creations. Users vote for the best models, which allows popular creations to rise to the top of the list and gain popularity. The site presents models that are stored on its social network, as well as outside it, for example, on the Thingiverse and YouMagine sites.

→ thingiverse.com

The most popular and famous site among 3D printer users, Thingiverse is owned by MakerBot Industries, the creator of the popular Replicator 3D printer series. The site allows users to store and share 3D model files that are used with 3D printers. It's a very popular site and has a large community of people hosting various categories of files on it. So if you're looking for "cool" printable stuff, Thingiverse is worth a visit. It is a portal designed to provide its users with ways to share their designs and to help print 3D creations. The site has a system that tries to find out what you like. The more you interact with the site, downloading and evaluating various developments, the better its recommendations will be.

→ 3dshook.com

Another online community for 3D printing hobbyists showcasing interesting 3D printer accessories, electronics and most importantly 3D models. The site contains many very interesting models of cars and buildings, as well as various add-ons and spare parts for your 3D printer. A huge catalog of paid and free models for a 3D printer. There are original unique products. Convenient search, navigation, rubricator. 3DShook has over 40 categories and adds over 100 new models to its collection every month. On 3DShook you can always find something for your home, animals, kids or something special for yourself.

→ youmagine.com

YouMagine catalog for Cube series consumer 3D printers manufactured by 3D Systems. The site mainly offers various ways to buy 3D printer supplies and files, but it also has a number of cool free items available, mostly in the Kids section. Some of these elements can be customized by children using an online application. The company offers 3D modeling and publishing tools on its website for both hobbyists and professionals. The site offers a content warehouse where the community hosts and shares models. Registration is required to download files.

→ 123dapp.com

Autodesk 123D is a suite of computer-aided design (CAD) and 3D modeling tools aimed specifically at hobbyists. Along with the toolkit, Autodesk also has a website where users can record their designs and share them with other users. Many of these models can be downloaded and printed using Autodesk as a utility to interface with the MakerBot 3D printer. The goal of the Autodesk website is to "help engineers build products faster." The site offers tools to help them collaborate on their files. For the casual 3D printing enthusiast, the best part of the site is the large library of free files created by a community of over a million engineers. Registration on the site is required, but the number of files that are then available is worth it.

→ cgtrader.com

Being primarily a place to buy and sell a variety of 3D models (not necessarily just those designed for 3D printers), CGTrader does offer a selection of free models that can be used on 3D printers. The site has a system that tries to find out what you like. The more you interact with the site, downloading and evaluating various developments, the body will have better recommendations.

→ cults3d.com

A French community and marketplace where developers can share or sell their creations. The site has a collection of high quality models that you can download. Users can follow the work of the designers they like and get instant updates when a new creation is posted on the site. The site's name, Cults, is a backwards spelling of St. Luc, the patron saint of artists. The site also supports English. This is a relatively new community, so the number of its users is not very large yet.

→ instructables.com

The Instructables website is a community where users can share their DIY projects. This also includes products obtained using 3D printers. The site also provides explanations and instructions describing how to build 3D elements, and some designers take the time to answer questions from site members. Instructables allows users to store and organize their 3D printing projects. This is done to help them work together in the future. You can think of this site as a GitHub 3D printing site where users can share their files, discuss projects, and participate in them. The site also offers the ability to make a request, so if you can't find what you're looking for, you can ask the site's community about it.

→ pinshape.com

Pinshape, a marketplace for 3D models, is similar in style (layout, look, and ability to capture likes) to the well-known site Pinterest. You can buy models from designers, or download them for printing yourself if they are offered for free. Pinshape allows users to host and share 3D model files on it. Basically, this site acts as an online store where you can buy 3D printed parts, or order your own 3D model to be printed. But if you look closely enough, you can find people who sell their products and also offer the files you need so you can print them yourself.

→ 3dfilemarket.com

A new and growing repository of 3D File Market models. All models are tested for suitability for 3D printing. You can download as many models as you like without registration, although you must provide your email address to access the 3D model files. This is a very simple site aimed at being a repository of model files for 3D printers, and nothing more. The basic design of the site allows users to put files on it for public access, and download files that they would like to use. The site contains many small, simple 3D models ready to be printed, as well as a good selection of everyday items and even spare parts for 3D printers.

Search engines for 3D models in various formats, including STL for a 3D printer. Use queries in English, these search services collect information about models from all over the Internet.

→ yeggi.com

Yeggi is a search engine that will browse major 3D printing sites to find files compatible with 3D printers. You can also browse some popular searches to get an idea of ​​what the community is currently interested in.

→ yobi3d.com

When in doubt, use yobi3D to search for files that match the desired 3D printer. This tool is useful if you want to search for one thing across all sites at once. A very convenient format filter, fast search, high-quality previews and stl models prepared for 3D printing for printing.

→ stlfinder.com

This is another STLfinder that surfs the web looking for 3D printing. To select files compatible with 3D printers, he goes through many 3D modeling sites.

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