I’ve added the background to the recent drawing of two Tango dancers.

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As a guide, I made a grid on a large sheet of paper with the lines 1/4″ apart, and then placed this under the drawing on top of a lightbox table. This allowed me to keep the rows of lines straight even though the lines themselves were not intended to be too precise, as shown in the detail. I didn’t want those rows to waver or curve, but I also don’t like it if the drawing to looks too mechanical.







