Pencil drawing, a traditional American tree house circa 1950 sitting between 2 branches of a big oak tree, tire swing, "architectural"  free hand sketching, simple ultra fine copic marker simple line work, overlap corners, layout lines black, continous lines, intricate details, insanely detailed, orthogonal projection, two point perspective with layout lines, environment with trees, sergio toppi style, sketchup program drawing, 
words, logos, writing, signatures,