See RichRap's wonderfully detailed guide here: http://richrap.blogspot.co.uk/2013/07/3dr-reprap-delta-printer-part-1-release.htmlSource filesRichRap's 3DR - Modified for 8mm Rod and 20mm Box section (Squared Wood, Extruded Aluminium or Box Section Steel - http://www.thingiverse.com/thing:203893- with the following changes/additions:LM8UU carriages - modified from RichRap's original Sketchup file (https://github.com/RichRap/3DR-Delta-Printer/tree/master/src);Effector with autolevelling - started with http://www.thingiverse.com/thing:361480 and added E3D mount and then hinge and bridge for autolevelling (see OpenSCAD file);LCD case -http://www.thingiverse.com/thing:213852;LCD hinges -http://www.thingiverse.com/thing:371366;spooler - http://www.thingiverse.com/thing:231375;RAMPS mounts - https://www.youmagine.com/designs/3dr-ramps-adapter-converter