3dom is a 3D Solid Object Modeler, designed to be independant of the renderer back-end. Highlights include constructive solid modeling, reality-based material representation, a flexible plugin system, scripting through Python bindings and a constraint solving engine.

Basic solids
- Box
- Cone
- Cylinder
- Sphere
- Torus

Solids constructed from any combination of other solids, supported operations are
- Union
- Difference
- Intersection

Solids constructed through scripts
- Basics (pie, ring, roundedbox)
- Home elements (straight and rotating stairs)
- Mechanics (crank, wheel)
- Toys (Lego block, dice, maze)
- Various (spherical fantasy)

Solids constructed from 2D drawings through
- Extrusion
- Revolution