by Lynn Goblin Materials A Tree Trunk Armature Use anything that looks like a miniature tree of the scale, height, and species you want to model. I prefer sage brush twigs for larger deciduous trees like mature oaks and cottonwoods. For birches and smaller deciduous trees, I use pieces from a decorative broom I bought at a Ben Franklin craft store. You can, of course, use anything that looks like a tree, from yarrow and goldenrod weeds; to herb and tree roots; to manufactured cast metal and plastic armatures. Ground Foam Ground foam represents the leaves of the tree. You can … [Read more...]