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Polar plotter

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"Polargraph" redirects here. For the similarly named instant film, see Polagraph. For the coordinate system, see Polar graph.
A fourth stage Gosper curve plotted on a whiteboard polargraph.

A polar plotter also known as polargraph or Kritzler is a plotter which uses bipolar coordinates to produce vector drawings using a pen suspended from strings connected to two pulleys at the top of the plotting surface. This gives it two degrees of freedom and allows it to scale to fairly large drawings simply by moving the motors further apart and using longer strings. The system has been used by a number of artists and makers, see below:

  • Jürg Lehni & Uli Franke (2002)
  • Alex Weber (2011)
  • Ben Leduc-Mills (2010)
  • Harvey Moon[1]
  • Alex Weber[2]
  • Sandy Nobel[3]

References

  1. ^ Holmes, Kevin. "Robots That Create Art: Harvey Moon's Drawing Machines". Vice. Retrieved 29 June 2015.
  2. ^ Weber, Alex. "Der Kritzler". Tinkerlog. Retrieved 29 June 2015.
  3. ^ Nobel, Sandy. "What's a polargraph". Polargraph. Retrieved 29 June 2015.
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