40mm Fan Duct for Rostock

thingiverse

This revised fan duct, modeled after Maurits' design, is specifically tailored for Rostock-style printers and accommodates a 40mm fan. Compatible with Jason's LED ring (http://www.thingiverse.com/thing:32472), it matches Steve's hot-end proportions for the Rostock Max. Version 2 offers easier printing, two mounting plate options, and simple duct removal for nozzle maintenance. Note that both versions are designed for the first generation nozzle, not "THE NEW" one. For printing, align the fan duct flat on the mounting flange. PLA works well without melting if adjusted correctly (heat-adjusting with a lighter may be needed). No raft or support should be required. Secure the part during printing, if necessary. Choose the appropriate mounting plate based on your build and attach the duct using a 1mm metal pin from a paper clip in one of the deep corners of the hot-end platform.