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Polargraph Gondola Mod

by JinjaBeardy, published

Polargraph Gondola Mod by JinjaBeardy Oct 7, 2012

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Printable gondola mod for a Polargraph (drawbot by Sandy Noble aka Euphy) to enable simple quick pen release. Based on Polargraph Gondola Dealywhopper by Dealywhopper.
This is designed to fit the standard gondola that is supplied by Sandy with the Polargrpah kit.


1 Print it.
2 Remove wooden ring on the end of the gondola (if you used it).
3 Push new part onto brass tube, ring end first, hard up against plastic spacer ring.
4 slide spring clip into slot.
5 Add a couple of rubber bands on each side of the clip to improve grip (depending on your pen size).
6 Insert pen!

You may need to file or sand the inside of the ring a little to get a good fit. Conversley, if the ring doesn't grip the tube adequately, either glue or add some masking tape or similar to the end of the tube.
If the slot is too tight, just run a mini hacksaw down it.

Tested with Tombo, ZIG and Sharpies.

Yaaay! my first Thing!

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This works great. Thanks for the mod!

Works great Jinja, using it already!