Multi Toolhead fine allignment calibration set
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An all in one print to help you fine tune your nozzle alignment.
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- Printables
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- Test Models
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This is my latest alignment print for calibrating my 5T PrusaXL.
The stair steps feature four 2mm thick layers alternating between the reference tool T1 and the head being tested for X and Y. The Z test puck provides a quick touch test for practical alignment, and plenty of room to angle calipers right to test the Z height of each of the tools as well.
To check X and Y alignment.
The X axis segments are the ones parallel to the segment marked with an "X" to the left of the ".00" center mark. And likewise for the Y segments.
First check the 0 position of the axis you are aligning with your calipers, then either side of it.
If the 0 position is not the smallest measurement you have, continue to test the segments in the smaller direction until the numbers start to go up again.
Each full step should have about .02mm of difference between them.
If you end up with two adjacent steps that read the same, the true 0 point will fall somewhere between them, but unfortunately Pursa firmware does not expose any steps below .01 for tuning.
Once you have found your offset, count the number of peaks you are away from the .00 mark and input that number, along with it's respective sign, into the nozzle offset menu.
To check Z alignment.
Measure the center cylinder with your calipers, it should be around 4mm tall.
Measure the cylinder of the head you want to check.
If the test cylinder is shorter than the reference, input the difference between them as a negative number.
Likewise, input it as a positive number if it is taller.
I have provided two versions here. The first is a longer one that provides readings up to .05mm on either side of zero, while the second only has a .02 mm swing for quicker verification prints. I have also provided step files for each of the components, they should load as having multiple parts for ease of use.
I have also included my CAD file If anyone wants to make changes themselves, such as for INDX or other multi tool setups, and I will be happy to answer any questions regarding it.