V2 add some stiffness to the original version.
It can cut pipes made of soften plastic (PPR, PE, PVC, ABS) up yo 30mm.
It also can be used for paper roles cutting.
BOM:
It must be printed with the part of the cutter to the top. Infill at least 60%. Wall line count at least 5 lines. The thin layer height is better for the shape of the cutter blade.
The author remixed this model.
Add some stiffness.