Is Lewis Valentine Real? Solo Developer Creates Geometry Kernel and CAD Program
A lot of “AI for CAD” talk still feels like a wrapper around old tools, so we wanted to get closer to the engine room. Lewis joins us to explain how he went from years at ACIS and is now building his own CAD kernel and a browser-based solid modeler. It is wired it up to Anthropic Claude through an MCP plugin so the model can run tools on a real computer and output real CAD data. We dig into what makes text-to-CAD genuinely useful for engineers: not just generating shapes, but producing...
8 Sept 2026
Bobby Ng STEPs Up with Transfigure
Your CAD tool can’t read your intent, but your fabricator still has to. That gap is where AI CAD promises a lot and often delivers noise, broken geometry, or subscription regret. We sit down with Bobby, a mechanical engineer and founder of Transfigure, to get specific about what actually works today and what still fails when you demand a real STEP file you can open, quote, and manufacture. We start with a blunt experiment: ask an LLM to generate a simple one-inch cube as a STEP file. The out...
26 Aug 2026
Peggy Xia, CEO of gNucleus: We're Not a Text-to-CAD Company
A text prompt that “almost” makes a bracket is the fastest way to lose an engineer’s trust. I sit down with Peggy Xia, co-founder and CEO of gNucleus, to find out what, besides almost making a bracket, gNucleus was up to. Peggy's background is not that of a typical AI startup. She has had a career in the real mechanics of engineering AI, CAD automation and simulation workflows with Siemens. He wrote the code for Solid Edge's Synchronous Technology. At Google, she developed YouTube's most wide...
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