Quark Display 2020
Sketcher was one of the projects displayed in Quark 2020 by the Electronics and Robotics Club, BITS Goa. It is basically a full-scale prototype of a polargraph supporting multiple drawing styles such as stipples, Travelling Salesperson (implementation of the travelling salesperson problem to draw images), D2S,etc.
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Atharva Sonwane, Aditya Bidwai, Vedant Shah, Advait Kulkarni, Anirudha Srinivas, Kinshuk Singh
1.) Polargraph Controller : To control the movement of the motors
https://github.com/euphy/polargraphcontroller
2.) Drawbot_image_to_gcode : To convert the input images into D2S(Death to Sharpie format):
git clone https://github.com/Scott-Cooper/Drawbot_image_to_gcode_v2
3.) Processing : To run Drawbot codes
https://processing.org/download/
4.) StippleGen2 : To convert images into Stipple Format and develop TSP paths from it.
https://github.com/evil-mad/stipplegen
1.) Nema 17 motors
2.) A4988 motor drivers
3.) Arduino Uno
4.) 5 mm GT2 timing belts
5.) Servo Motor : MG90S
7.) SMPS Power Supply : 12V, 2A, 25W
The drawing board is supported by an easel. The gondola to hold the pen and the servo motor and the weight buckets are 3d printed.
For more information on how to make your own polargraph, click here