Josef Prusa's Pug Buddy Keychain
thingiverse
The original Pug Buddy from Josef Prusa. The only modification I made is to add a little part with a hole in order to attach a keychain. Unlike other designs, I sized the ring attachment so that it is sturdy and doesn't break easily. I then added a keychain I bought in a shop for about $1.50. Just bend it open, put it trough the hole, and bend it back straight. You can scale it down to about 75% of the original size and a normal little ring (see picture) should still fit. The hole is 3mm. I printed mine at 0.2 layer height and 10% infill, no supports needed. You can edit the original file on [Tinkercad](https://www.tinkercad.com/things/gCjOqh6hoF1). The model is under [CC BY-SA 3.0 licence](https://creativecommons.org/licenses/by-sa/3.0/). [My blog about 3D printing, Python & more](http://journeytodata.com/).
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