Helix Toolkit is a collection of 3D components for .NET
About The high-speed OpenGL, OpenCL bindings library
C# graphics library used for 3D modeling, built with OpenGL/OpenTK
An STL model viewer, editor, and creator for manipulating STL files.
Global visual guides for Windows
Software to restore cyclorama (360 deg. panorama) from photos
3D Engine with some extra features based on the D3x3D Engine for VB6
Autorun enabler for Autodesk Inventor VBA projects
.NET library for generating 3D models of trees and forests.
A free editor for openSCAD based on .NET Scintilla