3D Modeling, 3D printer friendly

3D Model Sharing 

Publish and share your 3D models in STL or OBJ format.
Zipped OBJ is also supported.

Do It 3D 

Need to create simple 3D shapes but don't want to learn complex 3D modeling programs?
This intuitive online app is for you!
(PC/Mac only)

3D Pipes 

For Math enthusiasts... Requires some knowledge about sine, cosine and parametric curves...

Litho Shade

Easily create ready to 3D print lithophane lampshades.
Define shape and dimensions, load and position multiple images, add holders including clips for candle or round bulbs.