Blog

Writing about 3D, deep learning, and representation learning.

Two lamp-like superquadric programs with different part structures Interactive 3D

August 2026  ·  3D Shape Programs

The Shape Doppelganger Problem

Surface fit is not editability. Two hand-specified 3D programs can reconstruct nearly the same object yet respond differently to the same part-level edit—an interactive counterexample for evaluating behavior after reconstruction.

Explore the article → Interactive · Reproducible