http://www.reprap.cn/free-shipping-he3di3-daulextruder-3d-printer-kit-p-97.html
PRUSA I3 DIY KIT FEATURES:
1. Frame:Lead screw (Stainless steel material)
2. Structure:Acrylic sheet (Black or transparent). Black is default.
3. PrintSize: 190*200*180mm (Max),
4. Layerthickness: 0.1-0.4mm LCD display and SD Card off-line printing (Included withthe Printer)
5. XYaxis positioning accuracy: 0.0125mm,
6. Zaxis positioning accuracy: 0.004mm