RepRap for Science—How to Use, Design, and Troubleshoot the Self-Replicating 3-D Printer - Open-Source Lab: How to Build Your Own Hardware and Reduce Research Costs - page 126

FIGURE 5.28 Installed and mounted y -axis and stage.
Now you are ready to add the belts. Cut the y -belt to 125 mm in length. Trim the ends of the
belt, so that it terminates with a tooth. Put belt terminators at both ends of the belt as shown
in Figure 5.29 following the same procedure as the belt terminators described above. Loop the
belt around the y -motor shaft and idler shaft and then tie into place with a zip tie so that it is
somewhat loose.