WARNING!
Neither I, nor Bibby Team, will not be held responsible for any damages cause by attempting to follow what I have posted here.
Methods used here can prove dangerous, and involve concentrating spray paint, mixing chemicals, and blatantly ignoring the warning label. Many chemicals involved can prove volatile, and I honestly have no idea what anything is going to react with, Care is required to prevent possible damage to your work, your home, or yourself.
ALWAYS wear a respirator when dealing with spray paint, or airbrush paints.
Fumes released are both toxic, and explosive. NEVER smoke, or spray paint near open flames

.I'm surprised that I cannot find a tutorial on this anywhere online.
I found that if I take a can of spray paint, and set it to spray into a bottle, it will spray out the paint, and concentrate into the bottle.
I can then use this in my airbrushes.
This is done by taking the bottle you wish to spray the paint into dropping in a couple of mixing balls, covering the opening of the spray paint with the bottle, and gently pressing the spray button to release the paint.
The paint will concentrate slowly into the bottle. Due to the aresol used as a propellant, the paint is effectively carbonated. Adding anything can cause the liquid to rapidly release the aresol, and might make a mess, or over-inflate the container, causing rupture, or explosion. Be sure to occasionally bleed off the pressure from the mix to prevent container failure.

The rest is done by adding pigment powders. You can find these on places such as eBay.
I've also had success using cosmetic powder.
Use caution, as these hold potential to create a chemical reaction. I've already turned myself blue doing this once.
I have however found that diluting powder in a small amount of acetone can prevent reactions from occurring.

If successful, the resulting mixture is a usable paint, which is by trait compatible with other paints of the same brand line you used as the base.
A handy trick for getting a specific color, or effect, when it simply doesn't exist.

WARNING!
Neither I, nor Bibby Team, will not be held responsible for any damages cause by attempting to follow what I have posted here.
Methods used here can prove dangerous, and involve concentrating spray paint, mixing chemicals, and blatantly ignoring the warning label. Many chemicals involved can prove volatile, and I honestly have no idea what anything is going to react with, Care is required to prevent possible damage to your work, your home, or yourself.
ALWAYS wear a respirator when dealing with spray paint, or airbrush paints.
Fumes released are both toxic, and explosive. NEVER smoke, or spray paint near open flames.
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Edited by: The_Shadow, Aug 3rd, 2017 @ 10:02 pm

This could be helpful if you know what you're doing. Be careful, though!

Definitely. I have another paint job on a beyond-repair piece of gaming equipment which used only these custom made paints.
I will post pictures once clear coated.

I am glad I used a beyond repair controller for this.
Too much of the glitter paint resulted in some failure of the paint job. Also made the bubbles maintain their structure after the water had evaporated, resulting in this thing having a texture like a basketball.

This was however done using only paints I mixed myself.

Looks kind of funky. I wonder if it would give you a better grip than if it had a perfectly smooth finish.

Probably.
It's worth noting that glitter paint isn't the best thing for the bubble effect. Also don't blast more on than you actually need, otherwise you get...THAT....

That Tomee Zap gun I posted in my other thread was also done completely with these custom paints. Basically confirming that the errors made on the controller here, were my own, and not my mixture.