ENDER 3 Hotbed MOSFET Box
Description
This design is around the external MOSFET that is or is a derivative of the one made by CBD-3D (see included picture). This box is specific for the Ender 3 MOSFET modification that will remove the hotbed power switching from the mainboard and offload it to an external MOSFET. It is designed to be mounted upside down to prevent print filament debris from falling into the box. Use the M2 and M3 screws to tap the holes that they go into before installing anything. The lid screws may push out the side walls ever so slightly (what I experienced). Please see Thing# 4563464 (Fusion 360 file included) for more generic options that can be mounted to 2020,2040, 4040, etc. https://www.thingiverse.com/thing:4563464 Instruction on how to install the MOSFET can be found on youtube or you can GTS. You will have to extend and/or add wiring. You need power wire clips? I got clips: https://www.thingiverse.com/thing:4563527 !!!! PRINTING NOTE: I used Cura Tree Supports and “Custom Supports” plug-in to block supports for the two walls with the round vent holes. Lid can be printed without supports. Hardware list: (1) MOSFET board - I purchased this 5-pack (feel free to buy from somewhere else): https://www.amazon.com/gp/product/B07X8XPDR4/ (2) lid screw M2x6 (2) board screw M3x6 (1) box screw M4x6 with M4 Nut to secure to extrusion using thing# 3313417 (V slot T-Nut)
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