Try handing these 3d design tasks to your clanker. They are incredibly good for these kind of things.

nostr:nprofile1qqs9l7uwrd4k98qwxjsp87ff36aswkde3g7jgq5ezcep6h45y4dkwdgzcw86l Fusion first and then FreeCAD is a smart plan. I like learning the open source tool before you need it.