The main part should be printed flat to the bed and the Nozzle should be printed with fixing face flat to the bed. Two of the parts will require minimal supports to print successfully, but should be easily removed. The mounting plate should not need any supports.
Fixings: 2 off M3x20 Socket Cap Head Screws - used for mounting the fan 1 off M3 Hex Nut 4 off M3 Square Nut (2 may already be fitted to the Hemera Motor) 2 off M2x8 Socket Cap Head Screws 2 off M2 Nuts 4 off M3x6 Pozi Pan Screws Note: make sure not to damage the stepper motor case by using too long screws or over tightening. 1 off M3x12 Set Screw - used to adjust the height of the fan