This is a special limited run of the Original Prusa i3 MK3S+ to celebrate the 10th anniversary of Prusa Research. Featuring a gold-painted frame, all-black plastic parts, a double-sided smooth print sheet with the anniversary theme, this 3D printer offers the same functionality as the regular Original Prusa i3 MK3S+ and uses the same parts. Each machine is personally signed by Josef Prusa and comes with a certificate of authenticity. The printer comes with two Smooth PEI sheets , one standard sheet and one 10 year anniversary sheet.