Do you believe that you can simply use Sketchup basic tools to create spheres and hemispheres?
More information : https://3dshouse.com/sketchup/https-3...
To create these 3 cubes, we have 3 main steps.
00:29 First, create a first circle with your desired radius.
Create another circle perpendicular with the first circle's plane.
00:55 Select the path (first circle)
00:58 Activate the Follow Me tool ( or choose Tools, Follow Me)
Click the second circle plane