Sculpting in zbrush for 3d printing

ZBrush 3D Printing Tutorial | 3D Printing Blog

Begin typing your search above and press return to search. Press Esc to cancel.

by Fabian | October 18, 2018 | Tutorials

by Fabian | October 18, 2018

ZBrush is hands down the most popular and powerful digital sculpting software out there. That’s why this program is mainly used for designing figurines, sculptures, game characters, or any other design that needs an organic shape. Some users have trouble turning these 3D models into 3D prints – and that’s where we come in! In this hands-on tutorial, we will show you step-by-step how you can prepare your ZBrush models for 3D printing.

3D printing a ZBrush model typically requires three steps:

• 1^st step: It all starts with you sculpting your piece of art with ZBrush and then adjusting it for 3D printing. This includes checking wall thickness, merging objects together, and hollowing the model (if needed).
• 2^nd step: After the modeling part is done, you can optimize your design with the freely available Decimation Master plugin. This will allow you to reduce your poly count while keeping a high level of detail.
• 3^rd step: The last thing left for you to do is to export your design as a 3D printable file. With 3D Print Exporter you will be able to export your 3D model as an STL, WRL, or OBJ file.

So let’s look into this in some more detail now.

This “Ring Of The Monkey Pirate King” by Ben Dansie was 3D modeled in ZBrush and Blender…

… and then turned into a stunning Sterling Silver 3D print.

Before being able to print your model correctly, you will need to prepare your design and adjust some things here and there.

• Material Guidelines: If you know which material you want your 3D model to be printed in, be sure to learn more about the specific design rules for the material of your choice. You can find these restrictions for i.materialise’s materials right here.
• Watertight Model: Your 3D mesh needs to be watertight. Ask yourself the question: if I were to put water inside my model, would it flow out? If that’s the case, then you need to find those holes and close them. Sometimes this process is also called ‘creating a manifold model’. You can find more about this here.
• Wall Thickness: It’s important that your model sticks to the minimum wall thickness required for your material (learn more about minimum wall thickness here). You can check if your object conforms to the minimum wall thickness by using ZBrush’s transpose or move tool. You can learn how to use this tool in this explanation by 3DHubs.
• Merging & Hollowing: If your ZBrush model consists of several elements (SubTools), you could already combine them into one mesh by using the merging tool. Besides creating a single continuous mesh, Dynamesh can also help you to hollow out your design. Hollowing out your model might help you to cut down 3D printing costs. We’ve got a good summary about this right here.

Checking the four points mentioned above are vital for a great print. However, we also encourage you to do an overall check. Take a look at your handy file preparation checklist to ensure you will get the exact result that you wanted.

Your ZBrush 3D model typically has an incredible level of detail – and is therefore also quite heavy. While this is perfectly fine when modeling within ZBrush, it can make things tricky when you want to export your file to different software or if you want to 3D print it. With i.materialise for example, your file size should not exceed 100 MB.

That’s where the freely available Decimation Master plugin comes into play. In a nutshell, this plugin allows you to greatly reduce the poly count of a model while preserving the high-resolution detail.

Don’t worry about losing detail information for your 3D print. Printers typically do not need any detail information that is smaller than 0.01 millimeters since they cannot print at this level of detail anyway. Avoid increasing the file resolution to more than 0.01 millimeters, however, in order to make sure that the triangles which make up your design won’t be visible. We have a dedicated tutorial about file resolution here, in case you want to learn more about this.

In the image below you can see an original ZBrush file with a poly count of 11,000,000 (left), and an optimized 3D model with a polygon count of 750,000. While this dramatically reduces the file size, the level of detail practically stays untouched.

11,000,000 vs. 750,000 polygons. Image by Pixologic.

The final step before 3D printing your ZBrush model is carried out by the 3D Print Exporter plugin, which is already included in the ZBrush 4R7 installer.

This plugin is very intuitive and only takes a few minutes to use.

• Open the plugin: With your model selected, open ZPlugin and select “3D Print Exporter” from the menu.
• Scale to preferred size: Click on “Update Size Ratios” to capture the ZTool’s bounding box size.
  • Choose your units: millimeters or inches.
  • Change one of the three sliders to define the size of your 3D print.
• Choose SubTools: Choose if you would like to export all SubTools, only the visible SubTools, or just the currently selected SubTool.
• Select file format: Finally, select the file format you want to export, i.e. STL, OBJ or WRL. If you choose WRL or OBJ, you can of course also export texture files.

Find out more about this plugin and how to use it on the 3D Print Exporter documentation.

This zombie 3D print by Milos Tutus was created in ZBrush.

Now that you’ve got your printable 3D file, it’s all set to be sent to our printers. If you want a high-quality 3D print of your digital sculpts you can simply upload it here and you’ll see the price immediately. Make sure to visit our overview of all the materials that we offer as well – ZBrush users that use textures often choose the Multicolor+ material.

Featured image: 3D model by Andy Jones

Preparing ZBrush Models for 3D Printing

Freelance Digital Sculptor, Monsters & Media

Maarten Verhoeven is a freelance digital sculptor with a love for the dark and weird. He specializes in work for 3D sculptures for concept art, fine art, films, commercials, prototypes, designer toys, and collectibles. With a background in art, he handles many different aspects of production, from original concept sculpts, high-res assets, engineering, and 3D prints. For the past 10 years, he’s working from Belgium as a freelance ZBrush artist, contributing his talents worldwide to various companies, publications and projects.

• "Maarten is a tremendous sculptor and one of the masters in the digital field. From sculpting from life or imagination he has a great ability to twist the realm of reality and still make it believable. Each new work Maarten completes pushes the bar for digital sculpting higher; even a small insight into his creative process and techniques is worth it's weight in gold."

  - Joseph Drust
  Artist/Creative Development Manager at Pixologic, INC.

• "Maarten's signature style is distinctive and easily recognised from afar. His brilliant portrait busts, figurines and creatures designs have it all. It’s always a pleasant surprise to see what he’s been working on; from a disturbing monstrous creature to erotic pin-up art to legendary film characters, he emphasises the shapes and poses perfectly for the mood and in his own unique way."

  - Rudy Massar
  The Moving Picture Company

• "I have followed Maarten's work for years now. It never ceases to amaze me how stunning his work is. Each sculpture has its own sense of life. His work display a strong sense of gesture, weight, and most importantly character. I'm incredibly excited to learn from from his lectures."

  - Bryan Wynia
  Senior Character Artist

• Trust me when I tell you: There is so much you are going to learn from Maarten. When it comes to learning ZBrush, Maarten is always one of the artists I recommend reaching out to for classes. His work is so inspiring to me and the ZBrush community. I feel like every new piece he posts keeps pushing the envelope of creativity and showcasing what you can do in the digital art world.

  - Paul Gaboury
  3D Product Development Manager at Pixologic Inc

• Maarten is one of the most proficient digital sculptors working in the profession. His unique talents for storytelling and visual design complement his technical skills and software knowledge, [which are] reflected in his impressive body of both professional and personal work.

  - James W Cain
  Digital Sculptor

• Maarten is a reference in the industry, really talented, polyvalent, and dedicated. He has a strong artistic and creative eye and pushes constantly his limits. Maarten has been an asset in many successful studios; he has a great sense of professionalism that makes him an asset in any project/production, artistic and production-wise.

  - Cedric Seaut
  Art Director & Co-Founder at Keos Masons

online 3D modeling training - Skillbox

Participates in the Christmas sale Discounts up to 60% 0 days 00:00:00

You will master the course

for creating characters and popular modeling program. You will be able to professionally embody the ideas of the customer in ZBrush or "revive" your heroes. Become a sought-after specialist in cinema, advertising or game design.

• Duration 2 months
• online at a convenient time
• Practice on real cases
• Access to the course forever

On profession

3D modeling-a demanded direction in the market

where ZBRUSH

• in the cinema, cartoons and advertisements of 9000

  used to create recognizable characters - from cartoon characters to realistic 3D copies of actors.

• In games and illustrations

  Most of the game's iconic characters are created in ZBrush. The program allows you to quickly implement complex creative concepts.

• 3D printing and scientific imaging

  ZBrush can create detailed 3D models for science, prosthetics, machine parts, and collectible miniatures.