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Piter Pasma
@piterpasma
ROBOT ARM
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Vanessa Williams
@fridgebuzz.eth
That’s so cool. A great result. Why does it jump around so randomly? Would a pen plotter do the same? (I know nothing about plotting.)
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Piter Pasma
@piterpasma
My "rayhatcher" program outputs the lines in random order. Usually, before plotting, I'll optimize this line order (minimize pen-up distance) using an external pre-processing tool (such as VPype), the output is the same but it can reduce plotting time by 3-4x. When I collaborated with this guy with the robot arm (part of an art installation in Moscow, I never saw it IRL), I assumed that the path-planning for a robot arm would need to be more complicated than that and he'd apply his own optimization. Which turned out to be an incorrect assumption ... 😅
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Piter Pasma
@piterpasma
I especially like the part at about 2:50, when the robot does the clicky thing to reload the paint in the Bosca marker :D
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Vanessa Williams
@fridgebuzz.eth
It’s very precise for such a clumsy-looking thing.
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Piter Pasma
@piterpasma
Industrial robot arms are kinda scary, you also don't wanna arm-wrestle this clumsy-looking thing ;-) (in fact I don't even know if I could arm-wrestle my Axidraw plotter hahaha, the motors seem pretty strong)
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