About this 3D model
These X-ends work the same way as the original AO X-ends but are compatible with 3/8 inch ACME lead screw thread and nuts. The parts we used are McMaster Carr parts: -3/8" 12 Brass ACME nut: #95155A111 -3/8" 12 plain steel ACME rod 36": #98935A817 You will also need to drill out your coupler or print a new one to fit the 3/8" threaded rod.