Drawbot pen bracket
thingiverse
A blast from the past - designed in 2012! I thought I might as well publish it! A pen bracket to attach a pen to the Parallax / Arduino robot. The inspiration was Rasterweb's drawbot rasterweb.net/raster/projects/drawbot/ This thing was made with Tinkercad. Edit it online https://tinkercad.com/things/jWNuNcPP5E4 Instructions The bracket is sized to fit a Sharpie, but printed in two parts to allow adjustment. Use a 3mm bolt and nut on each side to attach to the slots on the front of the Parallax robot chassis; slide each in or out to tighten / align the pen.
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