Trigorilla Board (Anycubic) Stepper Driver Cooling
thingiverse
Drawn with Solvespace, original 3D files (*.slvs) included. No Support Material needed, each angle is >45°. The fan could be mounted with M3 screws/nuts. The print should be paused after 4.6mm to place the M3 nuts into the print, the hexagon is then 2,8mm deep. With a layer height of 0,2mm you have to pause the printer after layer 23 (4,6mm / 0,2mm = 23) The M3 nut to mount the fan duct to the PCB could be placed/hold during the assembly. The design is made for 40x40mm fans with a height of up to 25mm. I use a SUNON HA40201V4-000U-999 fan, connected to port fan1 at the PCB. The fan1 is enabled, when the bed heater is enabled (latest ANYCUBIC firmware version). I use this fan duct to cool TMC2208 stepper drivers (the printer is SO silent with these drivers...).
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