Learn Videos Markforged x Caldwell Manufacturing Learn how global window and door hardware manufacturer Caldwell Manufacturing uses their metal and carbon fiber 3D printers for both R&D and in-house tooling. With a Metal X and several carbon fiber 3D printers, Caldwell has reduced turnover and increased profits with their Markforged 3D printers. Never miss an article Subscribe to get new Markforged content in your inbox required Submit Thanks! We will be in touch. In the meantime, take a look at some of our resources.