There are many different designs for different bottle cutters and slicers, but the cheapest and easiest that I’ve found consists of:
- A handful of steel washers (or coins with holes drilled in their center)
- A 9mm wide box cutter blade
- 4 screws (+4 for attaching the bottle slicer to a stable surface)
- A threaded rod/steel rod/pipe/dowel/coat hanger.
- Start by marking and drilling holes in a small board (~15x10x1cm).
- Four holes located at the corners of the board will secure the bottle slicer to the surface of your choice, preferably a workbench.
- Four holes in the center of the board will be for screwing the washers to the board. There should be approximately 1mm between the washers, which will allow the plastic to pass between them without bending, slanting or deforming.
- One more hole should be drilled to the upper right or upper left of the washers for the threaded rod/steel rod/pipe/dowel/coat hanger be fixed to or sit in.
- Four holes located at the corners of the board will secure the bottle slicer to the surface of your choice, preferably a workbench.
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