The core feature is that it offers three different ways to extrude faces, solving limitations of the native Push/Pull tool:
Cause: Your starting mesh has holes, internal edges, or overlapping faces.
Fix: Use Extensions > Fredo6 Tools > CleanUp to remove stray lines. Alternatively, stitch holes manually with the Draw tool. Joint Push Pull Sketchup 2021
Many users searching for "Joint Push Pull SketchUp 2021" are actually looking for installation help. Here is the step-by-step process, as the tool is not freeware (it is a paid extension by Fredo6). Comparison table : Native Push/Pull vs