The final product (if constructed properly) will rival many high-end airbrushes, for about 1/3 of the price.
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Signing UpStep 1: Parts List
All parts are listed here.
Note: All of the parts have the same thread pattern, so make sure of this when constructing your own airbrush.



































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A typed parts list would be much appreciated, though!
Try Harbor Freight. They have inexpensive airbrushes.
While this a great theoretical instructible, demonstrating you can make an airbrush, it's going to really expensive to make and result in a heavy unwieldy tool with minimal usability.
An airbrush is supposed to be an easy to handle painting tool that can apply paint and ink with precision. This instructable isn't that. You're much better off to put your money into buying a real airbrush and your time into practicing with it to improve your skills in handling it.
for all those who have asked and waited patiently
1) 3/32"od brass rod--1/2" long
2) 3/32"id brass tube--1" long
3) elongated polyurethane pneumatic tubing--3/4" long
4) brass hose connector 1/4"od threads
5) female to female connector--1/4"id threads
6) male to male connector
7) brass 3-way T-shape junction
8) 3/32"id Brass tube-- 1/2" long
9) small plastic container (for paint)
10) lid for aforementioned container
11) Brass tube 3" long by 1/8"id threads
12) Polyurethane pneumatic tube 1/8"id X 3.5" long
13) 90*- Multiple rotation valve
14) brass 3-way T-shape junction
15) 90*- Multiple rotation valve
Happy constructing! :)
note: when I tested this invention, the cap for the paint cup popped off, due to the pressure. I have potential solutions, but please, feel free to innovate. by the way, test with water first!!
Please, take some time and dress up this Instructable, add more details, even a price list, and time estimate.
Keep up the good work, and make it great work!
1. 3/32" OD brass rod 1/2" long
2. 3/32" ID brass tube 1" long
3. Stretched pneumatic tube 3/4" long
4. Brass hose connector 1/8" ID threads
5. Female to female connector
6. Male to male connector
7. 3-way T-shape junction
8. 3/32" ID brass tube 1/2" long
9. Small plastic container
10. Lid for container
11. 1/8" ID brass tube (threaded) 3" long
12. 1/8" ID pneumatic tube 3.5" long
13. 90 degree multiple rotation valve
14. 3-way T-shape junction
15. 90 degree multiple rotation valve
The idea is great. I can do this with the kids who love to paint.
I like to thank you on their behalve too.
If he updates this with better info I would love to try this out... It at least looks cool. :-)
Why is the paint pot pressurized? All of the three airbrushes I have (and the two I jury-rigged before getting my first) just uses venturi effect to draw up or down the liquid into the air stream.
Where is the flow control, or is it an 'always on' type of thing? Sounds messy : )
I totally agree that I'd like to see this thing in action before trying it myself.
Also, ditto to your "sounds messy" comment. I shudder to think what happens when the air pressure pops that cap off!
-one 1/8" push on hose barb
-two 1/8"compression angle needle valves
-one long (1/8" x 3") and one 1/8" hex nipple
-two 1/8" tees
-one 1/8" female coupler
-3 1/2" x 1/8" pneumatic hose
-some 3/32" brass tube and rod.
If anyone else can make out some of his handwriting feel free to add to or correct this list. Hope it helps