Harmonograph tumblr

http://penguinlab.jp/harmonograph/?type=rotary&shift=shift&interval=1152.65&resist=0.02&amp=0.15&plotsize=400&accuracy=2000

http://penguinlab.jp/harmonograph/?type=rotary&shift=shift&interval=1152.65&resist=0.02&amp=0.15&plotsize=400&accuracy=2000

Notes: