Slide-In Dual Fan Mount for Zortrax M200

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Summaryccc's dual fan mount has become a timeless classic and is an essential mod for the M200, significantly enhancing part cooling while also giving your printer an unmistakably cool look. Unfortunately, the support bar for the left fan tends to get in the way during extruder maintenance, making it a challenge to remove the fan(s) on the M200 due to awkward angles with hex drivers under the heatsink and a loose spacer part. This Thing features two "rails" that are mounted more or less permanently to the heatsink, along with a duct part where both fans are attached. The duct simply slides to the rear of the printer together with both fans whenever extruder maintenance is needed. You can see the impressive sliding action in this video: https://youtu.be/tRIXD00mNOk One thing to be aware of is that you need to have enough slack in the right fan wiring for it to move back and forth freely. I highly recommend Noctua fans for this application - they're quiet, reliable, blow just the right amount of air, and have recesses for the mounting bolt heads. Print Settings Printer: Zortrax M200 Rafts: Yes Supports: Yes Resolution: 190µm Infill: medium Notes: I printed the parts in Z-ABS for heat resistance, easy support removal, and a nice matte finish. Print the duct part with a 10-degree support angle so you don't spend too much time digging supports out of the ducts. Print the rails with no support. Post-Printing Installation Screw the rails to the underside of the heatsink using M3x4 or M3x5 machine screws. The screws need to have low-profile heads in order to clear the fan; most panhead screws will be fine. Mount the rails with the open ends of the slots toward the rear of the printer so the duct part slides in from the back. You'll need fans (at least the right-hand one) that have recesses for the mounting bolts so that the bolt heads are flush with or below the top edge of the fan. The Noctuas have this, I'm not sure about other brands. You can use M3 or M3.5 self-tapping screws, or you can tap threads and use regular machine screws, or use machine screws and pretend they're self-tapping. You can even just sit the right-hand fin into its "bucket" and not use any screws - it's trapped between the duct and the rails anyway, and not going anywhere. Design Designed in TinkerCad.