FLSun delta part cooling adapter for centrifugal fan
cults3d
My 2017 FLSun delta came with a woefully inadequate centrifugal fan for the parts cooler. Other adapters are available (like https://www.thingiverse.com/thing:2369318 and https://www.thingiverse.com/thing:2477073), but they all rely on axial fans. I decided that a centrifugal fan was a better approach, so I designed another fan shroud myself. This design is tailored for the 2017 "New effector", using a 4020 centrifugal blower: https://www.aliexpress.com/item/Blower-cooling-Fan-40mmx40mmx20mm-DC-12V-2-Pin-Brushless-Cooling-Cooler-Centrifugal-Blower-Fan-4020/32828068985.html Most, if not all, 4020 blowers should work. This greatly reduces warping and sagging, but I have noticed a slight increase in rippling - possibly due to added inertia. It does not collide with the delta arms on my "large linear" printer. This design combines well with https://www.thingiverse.com/thing:2251745
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