Note: 1. Please fix it in the center of rear X axis aluminum
profile
2. M4 * 8 screws pass through the Y axis motor fixed plate,
screw on the T - nut ( entering 2 - 3 thread teeth ), put
it into the X - axis profile slot, tighten the screw ( the
nut will rotate 90 degrees during this process ), and corner
bracket will be fixed.