Pi-Free Geometry Assistant (GPT)
A smarter way to model shapes without π
The Pi-Free Geometry Assistant is a GPT-based geometry helper built around the Geometric Ratio Model (GRM). Instead of relying on irrational constants such as π, it uses fixed and standardized GRM ratios expressed in SPU, SAU, and SVU for perfectly inscribed shapes such as circles, spheres, and hexagons.
Whether you are a student, teacher, CAD designer, AI developer, or researcher, the assistant helps you:
- calculate proportions using GRM units
- validate geometric claims within a bounding square or cube
- explain GRM logic in clear steps
- translate GRM ratios into practical design and implementation guidance
The assistant is fast, context-aware, and grounded in the core principles and constraints of GRM.
Note: Canonical GRM ratios apply only to perfectly inscribed shapes unless explicitly stated otherwise.
Powered by the Geometric Ratio Model (GRM) by M.C.M. van Kroonenburgh, MSc. i-Depot (BOIP) Reference no. 151927.

