Enhance your 3D printing experience with this redesigned Kingroon KP3S top-mounted spool holder collar and z-axis stabilization from Thangs.com. This design resolves the sagging issues typically experienced with top-mounted spool holders and improves the z-axis stabilization alignment for the KP3S.

The 3D model is characterized by its increased thickness and height, designed to solidly hold the spool holder upright. It also incorporates three points for M3 bolts and nuts, promising a snug fit on the extrusion. In addition, the model features slots for advanced z-axis stabilization allowing ample room for adjustments to achieve a perfect fit on the top of the lead screw.

The collar's design ensures a tight yet efficient clearance between the collar and the body of the extruder. Some users might feel the need to shave off a millimeter from the collar's side, although no issues have been reported so far without adjustments.

This 3D model is compatible with the bearing holder from hitoriblog's design found here https://www.thingiverse.com/thing:4748680 . No changes to their design for the bearing holder have been made.

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