Drawn with a Sailor/Wancher Turquoise 1911L. The M nib on this pen comes to a sharp point which allows for some line variation not from flex but based on how deep the firm nib digs into the watercolor paper. The Noodlers Black ink is a little dry and that contributes to this effect.
This is the book I made which contains the educational paper I wrote and illustrated about my trip to China in the summer of 2017. I gave a lecture entitled, The Sketchbook: Let's Connect at ICON10, The Illustration Conference in Detroit, MI this past July. I gave a few of these books out along with pocket sketchbooks to the audience. Below are a few spreads from the 40-page book.
The Seychelles Tiger Chameleon, is the only species in the resurrected genus Archaius. It is listed as Endangered on the IUCN Red List of Threatened Species. More like this on: https://www.instagram.com/camilojulianc/