Tip for pneumatic engraver handpiece

thingiverse

One can never have enough of the quick-change tips for a pneumatic engraver handpiece. So why not 3D-print them ? With the default settings this thing should fit into a GRS pneumatic engraver handpiece (or any of the clones). It might be necessary though to make slight adjustments depending on the printer and material used. Best results should be with resin based printers, but printing will take a lot more time. To hold the graver in place, a short M3 screw is required. An optional O-ring may be put on the insert to keep it a bit better within the handpiece. Of course, this insert fits the GRS adaptor of the [graver sharpening jig](https://www.thingiverse.com/thing:4599936) by [Jack Hobson](https://www.thingiverse.com/kcaj2385/designs). 2022-06-30: Added an option for a rectangular graver slot. This will provide a better fit for traditional gravers and also has the benefit of being a bit more robust.