Creating better glass using reflection recursions and Surface Shading Threshold

This rendering and material tutorial shows how to get more detailed glass by working with two render parameters: Reflection Bounces and Surface Shading Threshold. It discusses the concept of incidence 0 and incidence 90 and how that relates to this threshold function, in turn affecting glass type materials.
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Preparing models for STL output

This tutorial shows how to prepare 3D geometry for STL output, specifically when the artwork starts as bezier data from an application like Adobe Illustrator, and contains counter spaces. It shows how to avoid problematic geometry configurations and discusses how to ensure your geometry is closed using the Select Non-Manifold function.
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Tips on using the Boolean tools, Select Non-Manifold

This follows the tutorial explaining how to use the bezier path extrude tool to create polygon geometry and blend between polygon elements (here). It extends this material by showing a more complex situation in an architectural setting.
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Modeling a stair banister, combining path extrusion with polygon elements

This follows the tutorial explaining how to use the bezier path extrude tool to create polygon geometry and blend between polygon elements (here). It extends this material by showing a more complex situation in an architectural setting.
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