How to: hand-crafting a Material Design icon.

Google's Material Design website is a rich resource, dedicated to functional and compelling web | app design. On the website, there is a tutorial detailing the construction of a hand-crafted paper-based Material Design icon ; done so (with paper), for the purpose of creating true-to-life shading. The tutorial inspired me to create my own Material Design icon, based from my "pigeons and friends" repertoire of square-shaped iconic pigeons [and friends]. Here are the source images: According to the material.io guidelines, the icon's design ought be uniform in stroke thickness, somewhat bold and simplistic. I've got a challenge, at hand, therefore, n rendering and shaping the image that I end up choosing, for the icon, in that my illustrations are more gesturally-based and freehand, rather than designed and pixelated. I'm somewhat hoping to design with a future-forward eye to the project (if that makes any sense), in perhaps trying to keep detail that I might, f...