Hi mates,
First of all I´m graceful for your kindy words.
About texture of wood is a combination of scribbing and sanding with a sandpaper very rougth. Plastic is great material for reproduce this texture. In Evergreen bags you can read how you can made this in best english that I can
I hope one day I can writing about made this structures, but I´m ( as most of yours) a middle aged man with two sons, a wife, and a job with scarce time for attend all. :-) but I´m open to respond all questions that you whis made
best whises
Carlos