About this 3D model

--(dts.Text liegt bei)-- Next improvement for the Velleman K8200 3D-Printer, the Z-axis parallel spindle gear driven by the original motor. When I had noticed that the extension-arm extremly wobbles when the printer quickly changes directions, i realized that the missing Z-guidance on right site is responsible for that. So, the main target is to reduce/eliminate this wobbling. The upgrade was planned in concern to keep changes to the original as less as possible and to protect my/your purse ;-)) See printed result on the last image! Updates: -Add extension_arm_guide.dxf : you can create your guide with your own fitting for a different nut. (extrude to 16 mm) -Add belt_tensioner_right.stl : if you have a larger belt or something else, use this with second copy of idler pulleys. P.S.: All things were printed with the original hotend. No further upgrades are necessary to get the parts, but your printer should be set well ;-)