The TTC Series collection covers TwoTrees desktop CNC routers, machine bundles, and selected accessories for hobby and workshop use. Models range from entry-level systems to larger, upgradeable machines compatible with common CAD/CAM workflows, enabling projects involving wood, acrylic, soft metals, engraving, carving, and small-scale milling. Website: https://twotrees3d.com/collections/ttc-series Check here: upgradeable CNC machines