3d printer technology fff fused filament fabrication connections usb 20 card reader filament diameter 175 mm printing area 150 x 150 x 150 layer thickness 02 nozzle diameter 04 mm supported operating systems windows 10 windows 8 windows 81 windows 7 mac os x display type lcd display card reader sd width 420 mm depth 430 mm height 380 mm weight 15 kg