Upgrade and enhance the strength of your Runner and drop the top plates to reduce drag. Nascar style, minimalist Racing tray! Print one for yourself, your friends, your friend's friends, your friend's friend's mothers...Help the world in reinforcement of the Walkera Runner! Print in ABS at 24% infill and 0.2mm layer height and DO USE supports. Purchase the printed version here. Shipping and front bumpers included!