Mark making..this seems simple but also like it could be very effective as an exercise/warm up activity. I think there's a lot of room for creativity in choosing mark designs as well. I like it :)
Mark making from my hand made brush with foliage Lorna Crane Pambula AUSTRALIA
Robert Turner online portfollio: Black and white mark making The artist's mark-making is very expressive and experimental
Homemade mark making tools ready for a Skills Workshop by ArtPad Studio… Mehr
Mark Making: studying architectural landscape in Budapest, Hungary. He uses ink on paper for most of his techniques.
Monochrome mark making inspiration with graphic strokes; surface pattern design // Studio Moon
Mark making tools for Drawing II - students scavenge, assemble, experiment, and make adjustments to tools until they are satisfied. Swatches are created for reference and eventual use in combination with other drawings.