Openscad does have constraints, they just look different. It is an imperative ui so it has imperative constraints. Most cad programs have a declarative ui and d

Openscad does have constraints, they just look different. It is an imperative ui so it has imperative constraints. Most cad programs have a declarative ui and declarative constraints. However I have to admit, I too would love an imperative ui with declarative constraints. I have a hard time visualizing how that would work, but that is probably because I lack imagination.