Here are two essential steps to setting up your Sovol SV01 right: PTFE (Capircorn Tubing) insert in the extruder will let you print flexible filament like TPU without it spiraling up inside the extruder; correct Z axis limit switch will give stable and repeatable bed level.
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The Capricorn Tubing (PTFE Tubing) that I used (comes with cutter!) is:
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