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"Cero"Play Miter Bars (M4 Inserts / M4 Nuts) – Zero-Play Upgrade — image 1
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"Cero"Play Miter Bars (M4 Inserts / M4 Nuts) – Zero-Play Upgrade

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These are a metric versions of the popular zero-play miter bars, designed for M4 hardware. Versions for inserts and nuts

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Model information

Category
Tools
License
Creative Commons — Attribution — Noncommercial

These are a metric versions of the popular zero-play miter bars, designed for M4 hardware.

“CeroPlay” is a small wordplay: the C stands for Copy 😉

Specifications

  • Length: 200 mm

  • Base width: 18.25 mm

  • Maximum width: approx. 20 mm

  • Wedge angle: 10°

Included versions

  • Version for M4 Ruthex / CNC Kitchen short heat-set inserts

  • Version for standard M4 nuts

Additional files

  • Drilling pattern drawing

  • Drilling template for easier marking and alignment

Printing

I recommend PETG, ABS or ASA for better wear resistance, although PLA should also work for light use. The drilling template works great with PLA.

For best results:

  • 0.2 mm layer height

  • 3–4 perimeters

  • 30%+ infill

Required Hardware

In order to use the miter bars you will need some additional hardware for each bar:

  • 6x M4 inserts or M4 nuts depending on the version

  • 3x M4x5mm pan head screw

  • 3x M4x15mm pan head screw

  • 3x large M4 washers

  • 4,5mm drill

  • 15mm forstner drill bit

Notes

For the adjustment and tips and tricks for building jigs with the bars I recommend the original instructions provided by the manufacturer of the original ;)

Please also keep in mind:

  • The final fit depends on your printer and the actual miter slot.

  • The 10° wedge allows very fine zero-play adjustment.

  • It is usually better to print slightly undersized and adjust the fit afterwards.

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