Sometimes I need to draw practice pieces from photographs. The Figure and Gesture site (see links) has proved to be a great resource in this way. There is a selection of images of nude and clothed models and a setup that enables the challenge of ten-minute warm-up exercises. Here are two such sketches.
The ink is acrylic sepia and interestingly Parker’s black fountain pen ink – I had not guessed that it separates into greens and yellows when diluted.