A simple search:
brought me back to this forum. A long post from 2015 about 3D models for KiCad made in FreeCAD:
That thread links to the “github / easyw” also already posted by Rene.
Joan Sparky posted in that tread:
right under a picture of a PCB with (among others) a nice looking capacitor. She also states she made all her 3D models herself.