Gel Pens: Gel pens use water-centered gel ink that flows freely and easily, manufacturing vibrant, opaque hues. They are really perfect for introducing bold lines and accents towards your work. Architectural Drawings: Use these techniques to differentiate elements and surfaces in architectural drawings, including the brickwork of a developing https://stephenivjxq.kylieblog.com/37906953/the-definitive-guide-to-how-to-draw-with-ink-pens