3D print universe

These questions can be answered using the 3D models catalog service - Thingiverse .

This post will do a small review of 3d models from Thingiverse (grouped by the programs with which they were created). As an example, the header provides a 3D printed construction kit created with 123D Design . More details about this constructor, and other examples of 3d models from Sketchup , OpenSCAD , Blender3d , FreeCAD - under the cut.

At the beginning, a little about the service itself, and the specifics associated with 3D printing. nine0003

Thingiverse is a free service opened in 2008, developed and maintained by MakerBot (which in turn creates and sells well-known 3D printers), anyone can register on this service and upload a 3D model for download. A key feature of the service is that all uploaded models are published under a Creative Commons license, which means that you can freely and freely download and just as freely modify.

The generally recognized format for 3D printing is STL (short for STereoLithography), this format contains only the shape of the object, without color, texture information, in fact it is a surface made up of triangles. It is in this format that you need to export 3D models if you plan to print them on a 3D printer. nine0003

Let's start the review of 3D programs.

123D Design

AutoDesk is seriously entering the 3D printing market - it provides a good service for preparing 3D models, in particular, you can download the 123D Design program for free. Available for PC and Mac.

Pixil Bits

The 3D printed Pixil Bits constructor consists of several elements, on the basis of which you can assemble a variety of shapes:

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All files can be downloaded here, source code is also provided for editing in 123D Designer.

Birds mobile

Want to make sitting and spinning birds? (good example for basic math :))

Here is Joseph's "Birds Mobile" project.

The assembly process and final result can be viewed here.

Here's what you need to print:

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And of course different arrangements are possible:

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The original 123D Design files can be downloaded from the project page.

Sketchup3d

Perhaps one of the most famous programs will be Sketchup3d, originally developed under the wing of Google, but later transferred by the search giant to Trimpble.

Pluses — user-friendly interface for work, scripting in Ruby. Cons - not open-source, version only for Windows and Mac. nine0003

Mini Sumo Robot

3d printed platform for mini sumo robot, contains frame and

blade.

Assembly process

Files for 3D printing and original Sketchup files can be downloaded here.

3D Logo or name

Want to print a logo or name?

Here is the How To Make A 3D Logo Or Name project, where you can download instructions on how to do it in Sketchup. nine0003

Marblevator

The Marblevator project is an example of a "railway" using 3D printed rails and an iron ball.

Assembly instructions, and here you can download all the elements and original files in Sketchup.

OpenSCAD

OpenSCAD is a free open-source, cross-platform program for creating 3D models using a special modeling language.

You can create graphic primitives, merge, subtract, clone, and so on. To get the object you want. And after - export it to STL (recently there was a small tutorial on OpenSCAD on Habré)

Case for glasses

Need a glasses case? You can download and print from here.

The original format in OpenSCAD - that is, you can edit it to fit your glasses.

Animal bowl

Is your cat's bowl still unsigned?

This is easy to fix with 3D printing. In the files section, the original OpenSCAD file for customization (scad extension) is provided.

Reducer

Want to print mechanics? Please - Tiny Planetary Gears Set project.

All parts of the mechanism can be downloaded here, and here is a link to the archive with all OpenSCAD original files.

Gears

If you need to print a variety of gears, you can look at this project: Public Domain Involute Parameterized Gears, which contains OpenSCAD files for creating 3d models of various gears.

Blender

Blender3d is a free open source 3D modeling program (supports Python scripting)

Singing Dragon

One of the popular models on Thingiverse, the Adalinda: The Singing Serpent project, is made with Blender3d.

The author who created the model - specially optimized it for 3D printing - there is no need for "support" supporting elements, the whole model is printed as is.

Master Yoda

The fairly popular Yoda Figure model was created using Blender, or rather “assembled” from several models.

Based on the information from the original article, for its "preparation" were taken:

1. Yoda's head bust (from thingiverse)

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2. Yoda's body from google sketchup gallery.

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Airplane

Skewer Fighter Jet (F-86 Saber) aircraft model project, with the ability to download the Blender source file. nine0003

The author of macouno can see many other models created based on Blender3d, in particular:

Keyboard support

Sometimes the keyboard lifters break, you can download and print: Computer Keyboard Riser

FreeCAD

FreeCAD is a lesser known program, but interesting enough as it is positioned as a professional CAD system, completely free and open-source. Full Python scripting is supported. nine0003

Bike phone holder

Want to mount your smartphone on the handlebars of your bike? Then see this project: Bike phone holder . Files for FreeCAD are included.

Another view

Drawer handle

Need a drawer handle? No problem, the Simple Drawer Knob project. The original FreeCAD file is included in the downloads.

Phone Wall Mount

Want to put your phone on the wall? Here is the project: Wall Mount for Vtech 6419cordless phone.

Smartphone speaker

Do you want to make a horn for your smartphone? The Parametric Acoustic Horns project will allow you to use a python program to generate the required horn in FreeCad.

You can hear the difference:

As a conclusion

This is of course a small part of those models that are posted on Thingiverse, and new projects appear every day.

If you don't have access to a 3D printer yet, you can:

• do a search for hackspaces in your city, there are usually 3D printers there and they are available for small orders
• look for fablabs, there should also be a 3D printer
• search 3D printing service (in your city)

3D Universe

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Additive manufacturing is increasingly being cited as a driver of innovation. The 3DFAB + Print conference, organized by Messe Düsseldorf Moscow, gave an opportunity to take a look at the vast expanses of the additive manufacturing universe. nine0003

Hot topic. Perhaps the organizers themselves did not expect such an influx of visitors thirsting for new information, who filled not only all the chairs in the conference area, but also the aisles. The conference was attended by 37 speakers and more than 400 listeners. Leading players who have gained experience in the young Russian market of additive technologies, sharing their experience, did not forget to warn those who are thinking about entering the market.

Money, time, geometry

The question of the cost and expediency of using technology is always important. This was emphasized by Oleg Lysak, CEO of CML AT, which is engaged in process engineering in the field of additive technologies. He gave impressive "anti-examples" when a grown product is an order of magnitude more expensive than one made using traditional technology. nine0033 Thus, the pilot project "3D Printing Marine Spares" in the port of Rotterdam revealed a price of 2,400 euros plus 150 euros for testing when manufacturing a valve seat, against a price of 203 euros for production using traditional technology. Another spare part, namely the bracket, cost 1628 euros in additive manufacturing plus 1500 euros for testing. The part in traditional production cost 480 euros. A joint project of 3D Systems, SolidWorks, Haas Factory Outlet and Mastercam to print a drill head, in addition to the high price, showed the impracticality of printing due to the size and high probability of defects. Thus, it makes no sense to use additive technologies to replace traditional ones, only the design of new products and structures will make it possible to use all the advantages of 3D printing. nine0033 Irina Arapova, marketing specialist at Picaso, also identified dead-end areas, according to company professionals: “Desktop 3D printing is not needed by anyone due to restrictions on geometry and cleaning of supports. Dual extruder printers are useless due to slow print speed and poor process stability.”
But, as it turned out, not everything in additive manufacturing converges on the problems of price and equipment efficiency. In 2015, the Dutch company Additive Industries, which manufactures metal printing equipment, introduced the first modular printer design. In 2017, the first sales took place in companies of the Airbus and BMW level. But, according to Lysak, the company will not supply this equipment to Russia, because it does not yet see a market in our country. nine0033 Fedor Antonov, CEO of Anisoprint, who presented the first Russian composite 3D printer, claims that there are no affordable solutions on the market that allow manufacturing complex-shaped functional parts. Either cheap, but with small capabilities, or with great capabilities, but expensive.
If we summarize the opinions of many speakers, then small runs are more profitable, that is, it is both faster and cheaper to do on a printer, large series are best done on traditional equipment using traditional technologies. nine0033

Statistics, forecasts, problems

Kirill Merenkov, head of the RP center of Consistent Software Distribution, shared information provided by Aerospace Technologies LLC. These are data for 2014, but the situation is unlikely to have changed dramatically. Thus, the world's top three consumers of equipment for additive technologies include the USA (38%), Canada (12%), Japan (9.7%), Russia's share is 1.4%. No less interesting is the forecast for the use of additive technologies until 2020 in terms of the main priorities. Leading the way is accelerating product development and manufacturing products to individual specifications. nine0033 Dmitry Trubashevsky, Sales Director of Solver Group, presented interesting information. Plastic printing prevails - 89%, metal printing accounts for 10%, all other materials - 1%. At the same time, the share of amateur and semi-professional printers is 91.6%, and professional and industrial - 8.4%. According to a study by the International Data Corporation (IDC), in 2016 the global market for 3D printers was $13.2 billion, in 2017 it was $16 billion, and by 2020 it is projected to be $28.9 billion.billion. The growth dynamics of the number of 3D printers is as follows: 2015 - 220,000 units, 2016 - 450,000 units, by 2020 the number of printers in the world will reach 6,700,000 units. In 2016, 29.6% of printers were in the automotive industry, 17.8% in aviation, space and military, 7.5% in tooling, 6.9% in architecture, 3.3% in private printing, and 34 .9% for everything else.
According to the representative of the Department of Machine Tool Building and Investment Machine Building of the Ministry of Industry and Trade of the Russian Federation Anton Grechko, in 2017, Russian companies manufactured and sold 2,600 printers, 19industrial additive systems, which include 3 machines for working with metal powders. The largest state corporations, including Roscosmos, Rosatom, Rostec and other leading scientific and industrial organizations actively use 3D printers in their production and research processes.
Due to the large number of applications from various companies about the creation of Russian 3D printers, Anna Tsygantsova, Lasers and Apparatura Group, noted the main stages in the manufacture of a serial machine ready for implementation: development of a prototype machine and its key components, finalization of this sample based on the results testing, adaptation of documentation and manufacturing technology for mass production, preparation of production. In addition, the successful implementation of the machine is impossible without a high-quality study of the technology carried out by the manufacturer. Parallel development of equipment, design of the final product, software and technology should be carried out. In this regard, constant communication between the corporation producing the final product and the manufacturing equipment manufacturer is significant; cooperation with universities is required.

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