Screen Printing Bright Colors On Black T-shirts / How to Print A Good Underbase

Screen printing bright colors on black t-shirt is one of the most difficult part of screen printing. The reason is because of the registration You need to do. You have to make sure that the white does not show When you print the ther color on top.
In this video I will explain how to choke your design starting in Photoshop and the number of pixels I use.
What is an underbase? An underbase (or underlay) is a layer of high-opacity ink (usually white) that is printed on the garment and flash-cured before the other colors are printed. It's a similar concept to painting a base coat of primer under your main paint color.