I used FreeCAD to create my objects. It has quite a steep learning curve but it works for me.

I heard good things about TinkerCAD which should be easier to use for some quick ideas.

An Ender 3 V2

Some TotK and some Monster Hunter maybe some Advanced Wars sprinkled in.

So much to do so little time!

came here to post this.

Also it always feels like I'm cheering for my system. :D