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Author Topic: Painting with airbrush holder
Chojins
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Posts: 19
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Chojins
Post Painting with airbrush holder
on: July 13, 2013, 03:04
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I have been playing around with painting using a mounted airbrush. The pen-lift servo is used to press the trigger to paint/not paint.
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Chojins
Newbie
Posts: 19
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Chojins
Post Re: Painting with airbrush holder
on: July 13, 2013, 03:13
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I have uploaded the models here http://www.thingiverse.com/thing:117173
The airbrush used is this cheap ebay model http://www.ebay.com.au/itm/BRAND-NEW-DUAL-ACTION-GRAVITY-AIR-BRUSH-KIT-SPRAY-GUN-/400526384360?pt=AU_Toys_Hobbies_Model_Kits&hash=item5d413b9ce8&_uhb=1
kongorilla
Pro
Posts: 362
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kongorilla
Post Re: Painting with airbrush holder
on: July 13, 2013, 03:47
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Amazing! :O

Now when my wife asks me why I still have my airbrush and compressor, I have a good answer.

What does your whole set up look like? I have so many questions.....post more pictures, please.
Chojins
Newbie
Posts: 19
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Chojins
Post Re: Painting with airbrush holder
on: July 13, 2013, 05:00
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The holder was designed to work with the bearings and bead cord attachments from the polargraph kit.
The motors need to be moved away from the wall a bit to raise the airbrush away from the paper. Other than that it's pretty much a standard machine. But I will admit lately I have been using the marginally clever firmware with adafruit shield to get continuous motion (with look-ahead) which helps with getting even line weight when painting. Now I just need a big wall to string it up on!
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sandy
Administrator
Posts: 1317
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sandy
Post Re: Painting with airbrush holder
on: July 13, 2013, 11:07
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Man this looks great! Top gondola design and nice results. I think you could probably simplify the gondola even further, the bearings aren't really necessary if there is no friction against the surface.

And I guess until you have a way of linking flow to speed, acceleration is something that is actually undesirable here. I am quite envious of Dan's firmware, it's nice and concise, well written stuff. I wonder if anybody is interested in a fork of it to run with the polarshield pinouts? Or are you happy just using a different board and avoiding reflashing?

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kongorilla
Pro
Posts: 362
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kongorilla
Post Re: Painting with airbrush holder
on: July 23, 2013, 23:00
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Man, I should've asked for video. Thanks for posting the photo, though.

Someone should write a new pixel mode for this which makes the gondola move into the pixel's coordinates and spray for a time defined by its value. It could be useful for bleedy pen/paper combinations, too.

If only we knew someone who could do that. Hmmm....
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