This library started from the work of Trevor Moseley (TrevM) : OpenSCAD ISO metric thread library / functions (updated) It was then tweaked by JustKrys to work with Cura and to match actual steel nuts ...

List of common camera lens front filter metric threads missing from Autodesk Fusion 360 Usually they have either 0.75mm pitch or 1.0mm pitch threads. Prototyping only. Use at own risk. I am not sure ...