Website: thingiverse
Author: JustinSDK
Price: Free Download
File format: .Stl 3d printable
Description:
It’s based on PI Sphere. I got the idea from the picture. The customizer here accepts three parameters, chas, symbol and char_gap. The default char_gap is suitable for numbers. If you want to input alphabets, using char_gap is necessary. Find things about PI.OpenSCAD Documentation – Traditional ChineseOpenSCAD Documentation