Umm...the new user is encouraged to read:Greg_melbourne wrote: ↑Tue Aug 03, 2021 11:40 am drmacro, yes but for a beginner it's not clear why things are failing, and you're left scratching your head... just wish there was more descriptive error messages... but totally usable CAD software, I love it.
https://wiki.freecadweb.org/Part_and_PartDesign (which is mentioned as a detailed discussion from the Part Design and Part wiki pages)