About this 3D model

Needed: 2x M3 screw (long) - attaching the assembly to carriage 2x M3 screw - attaching upper part of cooling fan 4010 2x M3 screw (longer) - attaching bottom part of cooling fan 4010 (space needed for fan duct attachment ) 1x M3 screw - attaching 50 mm fan to duct optional 2x screws and nuts for BL-touch