Thingiverse

Laser Focusing Knob

by PicoPlanetDev

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This is an extension focusing knob for laser diodes that are mounted on many small laser cutters/engravers. It makes it easier to precisely focus the laser and protects your fingers from the high-power beam emitted. You can either 3D print or laser cut the knob.

The diameter of my laser knob was 16mm, so I designed my extension knob with an inner diameter of 16.5mm to account for my tolerances. If you have better/worse tolerances or a larger/smaller knob on the diode, feel free to scale up or

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