Fedor Kotov

Are they flat self-intersecting wires or 3D wires that merely look like that from this angle? 

This conical face won't extrude either  CadQuery 2.1 (not current master) with ocp 7.5.2beta on Windows says `Cannot build face(s): wires not planar` without segfault ```python import cadquery as...

> The xs is the scaling factor and its location on the identity matrix changes the scaling axis? See this https://en.wikipedia.org/wiki/Scaling_(geometry) and this https://en.wikipedia.org/wiki/Affine_transformation

@bragostin If you have the time, you can contribute it as a plugin to https://github.com/CadQuery/cadquery-plugins (README of that repository has detailed instructions on how to do it)

You can do this with `Workplane.each(..)`. Either manually or using my plugin https://github.com/CadQuery/cadquery-plugins/tree/main/plugins/apply_to_each_face See also #713

I think I have found where these models are coming from https://www.diodes.com/assets/Spice-Models/Discrete-Prodcut-Groups/Zener-Diodes.txt I will submit a fix sometime later this week.

@nexx512 That is why I ended up not submitting the fix. Having them all in one place would be very nice indeed but legality of such a compendium is questionable....