Drawing Machine

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Striving for the Pope's Commission

• Giotto's perfect circle.

• Hand and Eye
• Legends: the high school teacher

• linear apparatus. substructure.

• Stroke recording apparatus. Two pulleys. Weights. Rotary encoders.

Simultaneous Recording and Reproduction

• Simultaneous Location And Perversion (SLAP)

Drawing Machines

• http://www.thisiscolossal.com/tags/drawing-machines/
• https://www.google.com/search?q=drawing+machines&hl=en&safe=off&tbm=isch&tbo=u&source=univ&sa=X&ei=BJxeUYqRDauwigKrn4DYBg&ved=0CEEQsAQ&biw=1326&bih=821

Drawing Machine As Printmaking

• Harvey Moon
• 
• 
• Antonie Waterloo
• 
• 

DynaCNC Drawing Machine

do a john henry with the dynaCNC

Pen Holder

Hanging Plotter

do a john henry with the hanging plotter

Drawing Machine in Sketchbook

Articulated Arm

do a john henry with the disembodied hand.

disembodied hand

Imprecision as painterly aesthetic. Aikon by Frédéric Fol Leymarie and Patrick Tresset.

uarm

• https://www.kickstarter.com/projects/ufactory/uarm-put-a-miniature-industrial-robot-arm-on-your?ref=search

Thoughts

no such thing as perfect repetition. no matter what, there is noise in the system.

Pantomime / Mirror

GRBL1 fast

$0=7.023 (x, step/mm)
$1=7.023 (y, step/mm)
$2=7.023 (z, step/mm)
$3=10 (step pulse, usec)
$4=25400.000 (default feed, mm/min)
$5=45720.000 (default seek, mm/min)
$6=56 (step port invert mask, int:00111000)
$7=25 (step idle delay, msec)
$8=800.000 (acceleration, mm/sec^2)
$9=0.050 (junction deviation, mm)
$10=0.100 (arc, mm/segment)
$11=25 (n-arc correction, int)
$12=3 (n-decimals, int)
$13=1 (report inches, bool)
$14=1 (auto start, bool)
$15=0 (invert step enable, bool)
$16=0 (hard limits, bool)
$17=1 (homing cycle, bool)
$18=0 (homing dir invert mask, int:00000000)
$19=400.000 (homing feed, mm/min)
$20=10000.000 (homing seek, mm/min)
$21=100 (homing debounce, msec)
$22=1.000 (homing pull-off, mm)

GRBL1 moderate

fill in here