FreeCAD is fine (the author also uses it). Make sure to follow the official documentation (eg. PartDesign tutorial) to not get immediately frustrated.
Here's a playlist for FreeCAD 1.0: https://www.youtube.com/watch?v=t_yh_S31R9g&list=PLWuyJLVUNt...
But he has a bunch of other videos.
https://www.youtube.com/@4axisprinting/videos
Best of luck =3