Finding the right tool is a challenging task which can take years. Below are some of our favorites that are either free or very inexpensive (but still great quality). You're welcome!
An open source, 3D printable modular paint rack that is very stable, and can be expanded both vertically and horizontally. Available for Tamiya and Testors & Model Master bottles. Enjoy!
Get it from:
Thingiverse
As far as we're concerned, this is the best, highest resolution consumer 3D printer ever created, and is what we use to produce all of our models @ Precise Modeling.
Get it from:
eBay
The best airbrush set for the money, featuring a compact compressor and three airbrushes.
Get it from:
eBay
Tinkercad – a free, powerful, yet extremely simple 3D design app that allows you to create virtually anything you can imagine, and then, with the help of a 3D printer, turn it physical! Just imagine all the possibilities…
Get it from:
Tinkercad