If you're learning 3D design without budget, consider:


Dassault Systèmes offers a free trial version of CATIA V5 for a limited period.

Before installation:

Installation steps:

Dassault once offered a limited demo CD (now discontinued), but older versions may still be available on archive.org for historical learning purposes. These have severe limitations (e.g., no saving, limited parts).

If you cannot qualify for a free CATIA license, consider these legitimate free alternatives:

| Software | Best for | Free tier | |----------|----------|------------| | Fusion 360 | Hobbyist mechanical design | Free 1-year renewable | | FreeCAD | Open-source parametric modeling | Permanently free | | Onshape | Cloud-based CAD | Free with public documents | | Solid Edge 2D Drafting | 2D drafting | Permanently free |