Rule 34 Dev - anatomy conceptual_model_sheet cross_section duo feathered_wings feathers female feral fur hair horn how-to instructions internal multiple_poses pose schematic side_view text turnaround wings billneigh friendship_is_magic hasbro my_little_pony mythology princess_celestia_(mlp) princess_luna_(mlp) equid equine horse mammal mythological_creature mythological_equine pony unicorn winged_unicorn absurd_res biological_illustration black_and_white english_text exploded-view_drawing hi_res model_sheet monochrome multiple_images technical_illustration zoological_illustration|4598076910