These set of miniatures in 28mm scale have been designed by BigMrTong for games like Stargrave, Starsaga, Starfinder and many other old hammer games
 
This set contains
Denizen Powered Armour set x4. standing at 34mm tall from foot to top of the head.
X8 separate arms 
 
They come in ABS like resin.
 
Please note 3D printer resin is not like the resin used to make injection moulded miniatures it is denser, and there can be a little more brittle.
 
This set is supplied un-painted, and some clean-up may be required.