Raise3D Gantry Alignment

I found that gantry alignment on Raise3D printers can be done better than the recommended method. The recommended method is to align the distance from slider blocks to the end face of the belt pulleys. In reality, what you want, is to align the center shafts to be parallel to the gantry shafts. You therefore need spacer clips, like the ones I have designed here. They clip on the rods and ensure that shafts are parallel, before tightening all the pulley screws and slider block screws. The clips h