A set of 8 brushes. It is the 2nd set of Tech Brushes, following the SK Tech Brush Set 1 [link]
Made for Photoshop CS2. Not sure if it works in any other version, though.
Brush sizes range between 1000 and 2000 pixels.
Check out the rest of the series:
If you like it or download it, please
and comment on it.
(No need to give credit. Commercial use is okay.
Please do not rdistribute without permission.
Also, if anyone does anything with these, a link to your work would be cool.)