Open CAD Academy

Free, hands-on CAD courses using free and open-source software. Every lesson builds a real part, and every exercise checks your numbers against the software itself.

Now teaching: Sheet Metal with SolidCraft. Rules and K-factor, flanges, hems, folds, flat patterns, bend tables and DXF for the shop.

Lessons, drawings and answer checks: https://opencadacademy.com

An independent community channel, not affiliated with the software projects it teaches.