This is a Inspired Doctor Doom 3099 armor set with Helmet
1.Sizing - The suit will need to be sized for your needs, as it is sized to fit a Average male about 5.9 I recomened Armorsmith by The Armored Garage for sizing.
2.Mirror missing parts - The Leg and Arm parts with (L) at the end of its name can be mirrored to provide the missing right side. This can be done in your slicer of choice or alomost any 3d modeling program.
3.Sepperate parts - Use Meshmixer or your choice of modeling sortware to sepperate the Hand, Boot, and Disc armor parts.
ENJOY