We’d love to see some of the quasi-parametric things we’ve seen before in Tinkercad done like this. On the other hand, if you don’t mind installing software there is always SolveSpace.

Tinkercad is like the hamburger helper of 3D design. You hate to admit you use it, and you know you should put in more effort, but — darn it — it’s easy, and it tastes pretty good.