InstaPainting
Creative
painting robot
SHOW HN2015
InstaPainting
Robot that copies artist's exact strokes to replicate a painting in 3D
instapainting.com#painting robot#stepper motor#wacom tablet#plotter art#arduino
How HN took it
5 positive, 17 neutral or asking, 0 mixed, 1 critical, out of 23 comments about the project. Thread score +0.23.
Idea: 2 for, 0 againstPerformance: 0 for, 1 against
The thread, comment by comment
Each row is a top-level comment and its replies, in HN's order. Select a cell to open that comment on HN.
positive neutral or mixed critical about another commenter or something else the maker
What HN said
What people liked
Cool, magical plotter project
From 3 comments
It doesn't do pressure, but this is along the same lines: http://shop.evilmadscientist.com/productsmenu/605 And if you've got an old serial plotter (or 3 or 7) that can emulate…
salgernon on HNNow you're talking. I can't wait to print out nicely formed brushstrokes from a digital painting. Something along the lines of embedding a bump map into the 2d image to give…
noahbradley on HNThis is cool. It reminds me of 3D printers, but just in two dimensions and with a paintbrush and paint instead of a hot-end/nozzle/filament. You could look at the firmware used…
knicholes on HN
Objections
Stepper motors can't keep up with fast arm movements, causing jerky strokes
From 2 comments
They are current limiting and can go down to 1/16 step I believe. However, even at the current settings the motors can't keep up if the artist whips their arm from one side to…
chrischen on HNI'm having a problem smoothing the stepper motors with real time motion data. I was hoping someone on HN could point me in the right direction.
chrischen on HN
Requests
Explain hardware and software details
From 1 comment
Very cool project. Can you give us some more details about the hardware and software you're using?
hpoydar on HN
Questions
Why not draw directly with the plotter?
From 1 comment
Why not skip the tablet and draw directly with the plotter? You could probably even use the generated electric pulses from the steppers as your input.
geon on HN
How to smooth stepper motion with real-time data?
From 1 comment
I'm having a problem smoothing the stepper motors with real time motion data. I was hoping someone on HN could point me in the right direction.
chrischen on HN
Alternatives named
Evil Mad Scientist watercolor plotter bot
From 2 comments
It doesn't do pressure, but this is along the same lines: http://shop.evilmadscientist.com/productsmenu/605 And if you've got an old serial plotter (or 3 or 7) that can emulate…
salgernon on HNThe watercolor bot can do pressure.
joshu on HN
Patrick Tresset's drawing robots
From 1 comment
Reminds me of a project by Patrick Tresset @ Goldsmiths, UoL... https://www.youtube.com/watch?v=bbdQbyff_Sk http://research.gold.ac.uk/9255/
schanq on HN