base for rostockmini and printing as possible usb the nema 17 for extruder laser cut: Lower frame qty1 - 6mm acrylic Upper frame qty1 - 6mm acrylic Electro-mechanical? NEMA47 step motor x4 - 4.7kg/cm or more 608ZZ ball bearings x6 LM8UU linear bearings x6 36tooth GT2 timing pulley x3 GT2 timing belt qty3 - 2.0mm pitch 976mm length Subminiature switch x3 (Arduino2560+ramps1.4+A4988x4) 40mm cooling fan x1 6x6 heated printbed x1 11mm Gear x1 Hardware? M2.5x10mm x6 M3x10mm x7 M3x12mm x76 M3x16mm x12 M3 fender washer x30 M3 washer x40 M3 nut x56 M4x16mm x20 M4 washer x20 M4 nut x4 M5 16mm x1 M5 nut x1 M8x30mm x3 M8 washer x6 M8 nut x3 M8 precision ground rod x492mm x6 160x10mm thick borosilicate glass x1 ................................................ ?rostock??? ??????? ????Nema17?????? ????: 6mm?? 6mm?? ???????? NEMA47???? x4 - 4.7kg/cm ?? 608ZZ?? x6 LM8UU???? x6 36?GT2?????? x3 GT2 2mm?????? x3M ???? x3 ????????x1(Arduino2560+ramps1.4+A4988x4) 40mm?? x1 ??5mm ??11mm???? x1 ????? M2.5x10mm x6 M3x10mm x7 M3x12mm x76 M3x16mm x12 M3???? x30 M3?? x40 M3?? x56 M4x16mm x20 (??18???????) M4?? x20 M4?? x4 M5x16mm x1 M5?? x1 M8x30mm x3 M8?? x6 M8?? x3 M8????? x492mm x6? 160x10mm ????? x1 ???????? also can buy all of the BOM in Taiwan Kaohsiung http://www.star-shopping.comSources form http://www.thingiverse.com/thing:32850 http://www.thingiverse.com/thing:30611 http://www.thingiverse.com/thing:21435 http://www.thingiverse.com/thing:56865 http://www.thingiverse.com/thing:36294 http://www.thingiverse.com/thing:40710 http://www.thingiverse.com/thing:261691