If you can successfully print this with NOTHING attaching the rings together, then you should be able to successfully print the print-in-place version or the blades concentrically.
Be sure to to look closely, even if nothing is attached try tuning for the smallest seam.
The test print is a total of 24mm high so I change settings every 8mm(3x) then compare the changes until I achieve the best result. The settings that will have the most impact are; flowrate, retraction distance/speed, coast, wipe, and extra restart distance. You may also try; seam location, speed, temperature, and z-hop.
Find detailed instructions on how to print collapsing swords on my website.
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The author marked this model as their own original creation.