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Cutting a Chess Pawn From Five Hours to Two
Cutting a 4-axis CNC chess pawn's machine time from five hours to about two on an entry-level rotary machine: right-sizing the finishing tool, scoping the toolpath, and why an even faster finish wasn't worth keeping. -
Instrument First: Ben Eater's 6502 on Breadboards
Notes and photos from building Ben Eater's 6502 breadboard computer: the parts, the memory map, the wire colors, and the bus monitor and single-step clock that went in before any of the computer itself. -
How I Build Software with AI, According to My Transcripts
Mining ~700 of my own prompts from nine Claude Code sessions across four Rust projects to find the workflow I actually use: prime with context, plan twice, delegate in numbered batches, review with fresh eyes, and keep the hands-on testing for yourself. -
Three Threads from Onboarding a CNC
Three threads pulled from onboarding a desktop CNC: chipquake (fracture mechanics through self-organized criticality), the substrate boundary (why community knowledge architecture depends on moderation), and the long bet (machining as cognitive grounding). -
What 30+ Gandalf Challenges Taught Me About Prompt Injection
A taxonomy of prompt injection attack patterns derived from 30+ Gandalf Agent Breaker challenges, organized by attack surface rather than challenge name. -
Building a Blog Post Skill for Claude
How to build a custom Claude skill that turns conversations into structured dev blog posts using an expanded STAR framework.