GitHub - NikodemBartnik/IndyMill: Open Source DIY Metal CNC Machine
SainSmart Genmitsu 3018-PROVer CNC Router Machine with GRBL Offline Control, Limit Switches & Emergency-Stop, XYZ Working Area 300 x 180 x 45mm, Cutting Machine for Woodworking Metal - Amazon.com
OpenBuilds LEAD CNC Machine 1010 (40" x 40") - OpenBuilds Part Store