Quadrichromy was invented with subtractive synthesis at the end of the XIXth century, but most of artworks until 60's and 70's were printed in silkscreening, lithography, woodcut, linocut...using spot colours, which are still used on many devices today such as t-shirts, skateboards, marking files on...

I don't know how people use Inkscape, but I know plenty of graphic designers. And except a very few who work for web only, all the others need CMYK, not because of Adobe or any well kept secret, simply because mixing 3 inks with different values is the only physical way we know to reproduce colours ...

Thanks for your reply Lazur, I will give a look at sk1. I already know Scribus, but it can't be a decent way to work. I need to think in CMYK, type on the keyboard % values to control what I want on each plate, to set vivid gradients, to define overprints and trapping areas. Post-converting is not a...

Hello dear opensource users ! I've been working with Adobe softwares for 15 years but dream of breaking free of them and working with Linux / Scribus / Gimp / Inkscape. I do really believe in these formats and this kind of solution. I have a very simple but important question to all of you : is ther...