This is an OpenSCAD design that allows you to create rotating rings keychains. There are several parameters, e.g.
* radius
* height
* number of segments (rings)
* spacing between rings
* lettering on each ring
* font family
* font height
* type of eyelet
There are two parameters that allow inspecting the object.
I am an associate professor of educational technology at TECFA,, University of Geneva.
I do teach some digital design and fabrication to edtech students.
I do share some of my (limited) know how in http://edutechwiki.unige.ch/en and http://edutec...