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Polargraph Drawing Machine

Step 16Add cord and counterweights

Add cord and counterweights
The length of the cord will obviously dictate the size of your drawing.  Make your cords long enough to stretch at least from your sprocket to the opposite corner of your biggest drawing paper sheet, when it's mounted.  Don't forget to leave a couple of inches to tie/clip your counterweights on with.  Just push one end into the clips on the gondola.

I use some bolts with washers on them as counterweights, but you can use anything - bags of change are a good alternative.  The exact weight isn't critical at all - this is not a finely balanced machine.  The object is to have the gondola hang naturally in the upper-middle of the machine's drawing area.  My weights are around 150 grams each.

After this, you may even wear your gondola with beaded cord as if it is a steampunk arc reactor medallion.  I often do, and feel very powerful at it. POW! TAKE THAT, BAD GUYS!

Ahem... Or you can just put it on the machine, draping the cords over the sprockets.  You'll need to figure out a neat way of avoiding the cables if you have front-mounted motors like me.
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Author:Euphy
Like everyone, I like making things. I'm currently a computer programmer by trade, which I adore, but I like building physical things when I can. I like pottery and lino cutting and photography, and...
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