MX3D describes their machine as "Standard Robot + Standard Welding Machine + MX3D’s proprietary software". The stargate machine appears superficially similar as

MX3D describes their machine as "Standard Robot + Standard Welding Machine + MX3D’s proprietary software". The stargate machine appears superficially similar aside from using multiple 'print heads'. From their pictures and description it looks like one is a welder and one is a milling machine, no clue what the third one is.