PowerShape isn't for everyone. If you are designing simple brackets or consumer electronics casings, a tool like Fusion 360 or Inventor might suffice.
Primarily non-parametric/direct CAD. Excellent for rapid, freeform modifications, repairing broken surfaces, and complex tool design. powershape autodesk
Most manufacturing issues stem from bad CAD data (gaps, overlaps, reversed normals). PowerShape is famous for its tools. It automatically detects and fixes common geometry errors that would crash a standard parametric modeler. PowerShape isn't for everyone