polypaint en · NOUN
Etymology
From poly- + paint; name of a feature in the ZBrush digital sculpting software.
Meanings
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(uncountable) A feature allowing the user to "paint" color directly onto the polygons of a three-dimensional model without first creating a texture map.
Using polypaint with HD allows you to completely overcome the texture resolution limitations in previous versions of ZBrush.
2011, Scott Spencer, ZBrush Character Creation: Advanced Digital Sculpting:The reason I do not create a texture from polypaint is simply because I want to show what you can generate without going through the texturing process.
2012, Paul Gaboury, ZBrush Professional Tips and Techniques, page 268: