Acmer's IR laser module allows you to engrave on metals such as aluminum, titanium, steel, gold, and silver.
Caleb Kraft is a Senior Editor for MAKE Magazine, specializing in covering the latest developments in technology, DIY projects, and open-source hardware. With a passion for innovation and creativity, Caleb brings a unique perspective to his articles, providing readers with insightful reviews, gift guides, and features on cutting-edge projects and inventions.