Modular Ender 3 Meanwell PSU Cover with USB Charger

Modular Ender 3 Meanwell PSU Cover with USB Charger

prusaprinters

Upgraded my Ender 3 to the Meanwell LRS-350 PSU at the same time that I replaced the faulty crimped stock XT60 connectors (with Anderson PowerPoles), and needed a new cover, since the original is now way too big. Took the overall body of syzkryb's design and modified it with a modular side panel which houses a 24V automotive USB adapter. I'm currently using it to power some 5V adhesive USB LED strips, so the print corner lights up when the printer is turned on. It also has an optional set of tabs which slot into the 2020 rail. Theydon't lock into place there on their own, so you don't have to slide the whole assembly down the 2020 on the back of the printer. When combined with the stock screw that attaches to the rail near the top of the PSU, it holds quite nicely, and keeps the bottom of the cover further away from the print area. The USB idea and the tabs that fit into the 2020 rail came from peed6687's design. The USB charger I used had screw ring terminal connectors on one end, so I swapped those out for some spade connectors to work on the PSU. Print Settings Printer: Creality Ender 3 Rafts: Doesn't Matter Supports: Doesn't Matter Resolution: .2 Infill: 20% Filament: Paramount 3D PLA Matte Black Notes: For the design as-pictured, just print the two that don't include (ALT) in the filename: ***E3\_MPSU\_Modular\_Cover\_USB-ChargerPanel.stl** I printed this face-down, with supports for the restraining screw braces... supports probably not necessary at all, due to the curve--use your best judgment. *E3_MPSU_Modular_Cover_USB-Mainv2.stl I used supports on the long bridge section above the wide opening, and the holders for the restraining screw braces that attach the part with the USB charger. I really doubt that the bridge section needed them, but I didn't want to realize that I was wrong at the tail-end of the print... ¯(ツ)/¯ Small brim and glue stick on heated glass bed; rafts are likely overkill unless you have bad enough warping that mesh leveling can't compensate. If you still want the modular version, but don't want the rail slots, print: E3_MPSU_Modular_Cover_USB_Main-NO_RAIL_SLOTS(ALT).stl and E3_MPSU_Modular_Cover_USB-ChargerPanel.stl There's also a first draft version that's all one piece, with the USB ports angled further upward. NOTE : I haven't printed this version, so I can't say for sure how everything will fit. In theory, the power terminals on the charger port should angle downward enough to clear the Meanwell PSU, but, again, this was a first draft version that I never printed. If you want to give this version a shot, print: E3_MPSU_NONMODULAR_USB-NO_RAIL_SLOTS(ALT).stl Post-Printing Assembly: The parts were designed with a .25mm clearance, so they should slide together nicely, without difficulty. Two hex socket head M2x20mm screws, with four washers and two M2 nuts (all from this assortment) attach the USB charger plate to the main body. Category: 3D Printer Parts

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