As promised, here is the link to my just completed tutorial detailing my process of casting unusable wood for pen blanks. You all have seen my Algarita pen cast with magenta resin as well as my Mescalbean pen cast with gold resin. Well, this is how I do it!
http://builtbydoc.com/WorthlessWoodBlanks.pdf
Comments or suggestions for improvement are appreciated.
Enjoy!