Creating twisted iron

This modeling tutorial shows how to create a twisted iron model, something similar to what would be seen in a twisted iron fence or railing. The first section shows the basic approach, the second shows how to also generate usable UV's.
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Setting up a hinged, folding door set

This tutorial walks through the process of creating a hinged, sliding type door setup. It makes heavy use of nested shapes/instances,the Object Properties palette, the Reflect tool, the Snap tool and the Joint tool to arrange and setup the doors.
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Using incidence angle to control the stencil channel

This texturing tutorial shows how to use the stencil channel to change the appearance of a surface as the curvature changes (using an interpolator like Fresnel or Cosine). This has important implications for materials like metals.
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When it's ok to use triangles in a subdivision surface mesh

This modeling tutorial shows when it's ok to use triangles in a subdivision surface mesh. Quads are the preferred polygon type when creating a mesh that is intended to be subdivided. But there are times when triangles work well and may in fact be preferred.
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