Another adaptation from the Ferit Kuyas collection: engines, gears, and pulleys from a Swiss sawmill. I enjoy copying and adapting these industrial images because drawing each one is like solving a math problem. I don't have a lot of time to do math these days though I think about it a lot. This image is full of circles, tangents, and projections. The turning gears that Kuyas photographed are gigantic and fill a whole industrial hall.
Black tech pen ink on sketchbook page with photoshop touch-up, 3 1/2" x 4", September 24, 2016.