Printrbot Simple 2014 Z-Ext
thingiverse
Replace the factory flanged Acme nut with this and get 10 mm more build height without new linear rods or up to 50mm with new rods. Update: You can now "tinker" with a simplified version of this on TinkerCAD!https://tinkercad.com/things/7EuLauiVIcG Instructions Print on the Simple 2014 with 0.2 layer height and 30% rectilinear infill. Then replace the stock part. Be careful when you pull the y carriage off. I lost one ball bearing out of my linear bearing. After it's replaced home your z axis and then issue M211 Z125 (or 115+Lenght you choose) followed by M500 to save it. I also had to change my printer settings in Repetier Host. The original part was drawn in a trial copy of Geomagic Design. The STL files uploaded here are from it. Update 20150115: I've redrawn a simplified version of this with FreeCAD and TinkerCAD. I used FreeCAD to generate the ACME threads and imported them into TinkerCAD. I've not had a chance to print this yet, but you can now Tinker with it! https://tinkercad.com/things/7EuLauiVIcG
With this file you will be able to print Printrbot Simple 2014 Z-Ext with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on Printrbot Simple 2014 Z-Ext.