I like to do onshape

onshape is pretty tough

Control Arm - Control Arm by gd01967 on Sketchfab

Reducer Coupling - Part 1 by gd01967 on Sketchfab

Camera - Part 1 by gd01967 on Sketchfab

Tracing Pt 2 by gd01967 on Sketchfab

Part Studio 1 - Part 1 by gd01967 on Sketchfab

Reducer Coupling - Part 1 by gd01967 on Sketchfab

some of the onshape projects i made