While basic today, SketchUp Pro 8 introduced "Solid Tools" (Union, Subtract, Intersect, Trim, and Split). This allowed users to perform complex Boolean operations—essential for creating watertight models for 3D printing.
If the software crashes on launch, look in Preferences > OpenGL and try turning off hardware acceleration. Sketchup Pro 8 Free Download
Remember: If a deal for software looks too good to be true (like "Pro" software from 2011 being free), it is likely a trap. While basic today, SketchUp Pro 8 introduced "Solid