Waterproof inks are best for line work while water-soluble ink should be used for washes. Here's how to use waterproof ink to create a fun drawing
Model Number: 3080F.BLA / 30804.BLA The Koh-I-Noor® line of Universal® inks was first developed for use with technical pens. The dye base
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Ink clogged nib? /How to care for the nib/Beginner's technique/How to use waterproof ink