Purpose: To provide an index to all pages on this Wiki describing applications or packages that handle 3D graphics. To add a page to this category, just add a link to Category 3D Graphics.
One working 3d package for Tcl is The Nebula Device, which is available at SourceForge. The binary distribution comes with customized interpreters with built-in 3d capabilities, and some demos. Try it out... it's impressive.