QuadCopter X 210 scale Motor Guard

This motor guard is designed for the quadcopter 210 size that mounted with 2205 motor. Previously published designs are usually ignored the "fingers" of the arm, and this one can fit the arm perfectly. Two "rings" were added onto the edge to obtain higher strength.

This model was created by FreeCad, and the FCSTD file was also included in this thing. If you are a FreeCad user, you may download it and adjusted by yourself.