The short version
Declarative Haskell solid-modeling library built on OpenCASCADE; explicitly recommended in the CAD discussion.
From the HackerLinks archive
Waterfall CAD
Declarative Haskell solid-modeling library built on OpenCASCADE; explicitly recommended in the CAD discussion.
At a glance:
First seen:2026-11-04
Last seen:2026-11-04
Times seen:1
Website:hackage.haskell.org
Why it caught our attention
A targeted raw-thread review uncovered a clear recommendation missed by the bounded queue.
Where it surfaced on Hacker News
2026-11-04
“I'll add to your list this one https://hackage.haskell.org/package/waterfall-cad . I highly recommend it”
rafaelRiv · recommendation
Direct HN comment
Antimony: CAD Software Evolved from Lisp Machines and Not Drafting Tables (2015)