The fan holder is designed for standard PC fan (120mm - other will follow) as an alternative to table fan. It is smaller and quitter. You can use unused or refurbished fans and just connect 12V DC adapter. It as also adjustable to set the optimal angle. You do not need any other design elements excluding the bolts used in the fan.
Printing recommendation
Height of the layer 0.15 mm
Filament: PETG, ASA
The author marked this model as their own original creation.