3D printing a stunning silver mechatronic beetle necklace
Arduino Team — November 6th, 2025 CNC milling is expensive, messy, and requires a lot of technical knowledge, which is why we all want the ability to 3D print metal. But while technologies like SLS metal printing do exist, they are generally out of reach of hobbyists. Fortunately, there is a secret third option: investment casting. Formlabs makes casting resins specifically for that job, which Allie Katz and DJ Harrigan (AKA Mr. Volt) used to create...
