While many professional "Sim-Process" softwares cost hundreds of dollars, there are excellent community-made tools available for free.
Master High-End Screen Printing: Free Photoshop Color Separation Action Download color separation action photoshop free download
Color separation is a popular technique used in graphic design and photography to create stunning images with a separated color effect. This technique involves separating the colors of an image into individual channels, typically red, green, and blue, and then recombining them in a creative way to produce a unique and eye-catching effect. color separation action photoshop free download