High-performance i-Fast 3D printer, compatible with touchscreen operation, Wi-Fi connectivity available. Model: i-Fast 3D Printer This is Qidi's top-of-the-line 3D printer. Large objects can be printed with a special large bed of 360x250mm. It supports carbon printing with a dual head. The following are additional purchases (as a bonus). Two optional moisture-proof cases Optional build plate for carbon Optional hardened 0.6mm nozzle Ready for carbon printing immediately. Selling because of low usage frequency. How about those who want to try carbon printing, or those who want to try large-scale modeling? Thank you for your consideration. The slicer is also on a USB memory stick, and can be downloaded from the HP. Please consult about price reduction.