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Polargraph DrawBot Spool

by MakerBlock, published

Polargraph DrawBot Spool by MakerBlock Jan 22, 2012

Description

I'm working on building a DrawBot similar to Sandy Noble's awesome Polargraph. vimeo.com/24647023

My goal is to use a spool for monofilament line, rather than a beaded cord. This spool is designed to press-fit together on a piece of monofilament line and then press-fit the spool onto the stepper motor shaft.

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How large are the shaft holes?

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Instructions

1. Adjust the SCAD file as necessary
2. Print the STL
3. Press fit the spools together - with a piece of monofilament line stuck into the notch of the spool bottom
4. Press fit a spool on each motor

You can follow my DrawBot build log progress on my site:
makerblock.com/2012/01/drawbot-the-assembly-part-iii/

Comments

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SwimmingNaked on Jan 16, 2014 said:

How large are the shaft holes?

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