The file 'Pythagorean Theorem – Marble 3D Printer Model' is (STL) file type, size is 46.0KB.
I used 4.5mm steel marble and three 2mm plexiglass square: 56mm, 85mm and 110mm.
https://www.youtube.com/watch?v=MDjbifRcgbUhttps://youtu.be/KHJRDSP5I8E