https://makezine.com/article/maker-news/tinkerbots-rayguns/
Tinkerbots' rayguns - Make:
Feb 23, 2009 - I LOVE these raygun designs by Dan at Tinkerbots. Tinkerbots More: We have our own DIY raygun project in the new issue of MAKE (Volume 17). Molly
tinkerbotsraygunsmake