# Four Cad

> Four Cad is the CAD reasoning workspace on Rowe 1.0: upload native CAD or drawings, convert to cad_scene, run compare/optimize, and inspect reasoning_scene overlays — without flattening engineering structure to text.

Source: https://fourechelon.com/docs/four-cad · Machine-readable: https://fourechelon.com/openapi.json · Index: https://fourechelon.com/llms.txt

This page is best read at https://fourechelon.com/docs/four-cad.