Scans from my figure sketchbook.
I have a sketchbook designated just for troubleshooting certain structures of the anatomy that I felt needed to be worked on.

It was "knee day".

Using PAINTER.

Found some warhoon art posted by the excellent Rodolfo Damaggio here:

DAMAGGIO WARHOONS

Below are some close ups of a rough marker rendering of Warhoons that I did. The designs evolved since then but I wanted to keep them thicker than the Tharks, loaded down with weapons.These were posted online several years ago on AICN:

Pencil rough.



Rendered close up.