This design allows dual 5020 blower fans to be mounted on either side of the Hemera mounting points while mounting below the x-axis Exoslide system.
The top mount features 2xm4 mounting holes, 20mm between centres to match the mounting arrangement on the Exoslide, with slotted holes to accommodate the 5020 fan mounts.
Note that this design uses the 3 mounting screw type fan, fixed via the top two mounting points, through the top bracket, to the Hemera captive square nuts. The fan is secured on the bottom by a small lip on the fan duct.
The fan duct mounts to the lower Hemera captive square nuts.
Example links below:
Exoslide System (see their bundle section for Ender 3 & 5 upgrade kits)
The author marked this model as their own original creation.