the universal key
the universal key model to open every forbidden access
CAD tool are parametrics, it means it is easy to modify a dimension (just change the value). So cad model can be customisable limitless. But when some non engineer wants to customize a part, he needs to learn how to use a cad soft. Open scad is an answer : a free tool to
customizable male/female triangle/square/rectangle/circle with flat plane/cross Key 2 options :
- lazy way customizer readymade in thingiverse
- blooming way, install openscad and download the file
I said universal
the longer is to read the parameters description