From Lew's workshop
Build guides.
Real projects with a timebox, a materials list and Field Notes. Listen, experiment, work together, look again.
Starter · One afternoon · about 90 minutes
Paper Windmill Test Rig
Find out which blade shape catches the most wind — with paper, a straw and a fan.
Starter · One weekend · about 90 minutes of active work
Solar Charger Desk Stand
Build a stand that aims a ready-made solar charger at the sun — and measure what angle works.
Intermediate · Two sessions · about 2 hours total
Blinking Guard Light Model
A tabletop model inspired by Richard Turere's Lion Lights — a safe coin-cell LED that makes a fence look 'watched'.
Intermediate · One weekend · about 3 hours
Cardboard Hydraulic Robot Arm
A grabbing arm powered by water in syringes — no motors, all physics.