Deprecated, upgraded to Hemera and overhauled gantry there: => https://libre3d.com/category/708/CoreXY/listings/1307/TronXY-X5S-CoreXY-MGN12-linear-rail-on-2020-profile-conversion-with-E3D-Hemera.html <= This is meant to complement my Y-Gantry (and finally align the belts again): https://www.youmagine.com/designs/complete-tronxy-x5s-corexy-y-gantry-set Detailed description at: https://burningbecks.wordpress.com/2019/01/15/matched-x-carriage-including-xcr-bp6-and-petsfang/ Edit: If you want to print ABS (or other draft-sensitive stuff), you'll need a piece of cardboard as depicted above to block the airflow from the hot end. Also look at the OpenSCAD code - some details are in the comments there. https://vimeo.com/310666040