| Software | User Level | File Formats | Platform |
|---|---|---|---|
| Beginner | OBJ, SVQ, STL, PART | Browser | |
| 3D Slash | Beginner |
OBJ, STIL, FBX |
WIndows, Mac, Linux, Raspberry Pi, Browser |
| Nomad Sculpt, SculptGL, EditSDF | Beginner | OBJ, PLY, SQL, STL | Browser, Windows |
| Wings 3D | Beginner | FBX, OBJ, DAE, STIL | WIndows, Mac, Linux |
| Vectary | Intermediate | OBJ, DAE, STL, and others | Browser |
| Clara.io | Intermediate | FBX, STIL, OBJ, STEP, and others | Browser |
| Meshmixer | Intermediate | OBJ, STIL, 3MF, and others | WIndows, Mac |
| ZBrushCore | Intermediate |
OBJ |
WIndows, Mac |
| MagicaVoxel | Intermediate | OBJ, PLY, and others | WIndows, Mac |
| Dust3D | Intermediate | FBX | WIndows, Mac, Linux |
| SketchUp | Advanced | STL, PNG, and others | WIndows, Mac |
| DesignSpark Mechanical | Advanced | DXF, OBJ, STIL, and others | Windows |
| FreeCAD | Advanced | STEP, OBJ, STL, DXF, DAE, and others | WIndows, Mac, Linux |
| OpenSCAD | Advanced | STL, DXF, PNG, and others | WIndows, Mac, Linux |
| Rocket 3F | Advanced | OBJ and others | Windows |
| Bforartists | Professional | DAE, FBX, DXF, OBJ, PLY, STL, and others | WIndows, Mac, Linux |
| Blender | Professional | DAE, FBX, DXF, OBJ, PLY, STL | WIndows, Mac, Linux |
| OnShape Free | Professional | STEP, CATIA, STL, OBJ, DXF, and others | WIndows, Mac, Linux, Chromebook, iOS, Android |
| Houdini Apprentice | Professional | Others | WIndows, Mac, Linux |
Wikipedia has an extensive list of 3D modeling software, some free, some not. Many of these sites also contain "communities" where designers can share tips, share files and generally commiserate regarding 3D printing topics.