Alan Parekh of Winnipeg makes these sweet component-symbol coasters from 1/4″ plywood, sealed with polyurethane varnish. Ten bucks gets a set of six: resistor R1, inductor L2, LED D3, capacitor C4, transistor Q5, and ground GND. Good-looking, clever, and easy on the wallet.
In the Makers Market: Electronic component coaster set
