Ultimaker axis alignment tool

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The X and Y rods on the Ultimaker should be at exactly 90 degrees to each other. This can sometimes be tricky to achieve since it is done by aligning the sliding blocks. This gives you an object to align the sliding blocks to, and it's easy to position on the frame.Print it and: 1. Loosen all pulleys as per UM instructions. 2. Place it in a corner and align a sliding block to the protruding end.3. Tighten respective pulleys.4. Repeat for the other 3 sliding blocks.