cooling fan + duct dual extruder
thingiverse
EDIT Photos confirm last STL doesn't match, resulting in redesigned lower part optimized for improved airflow at hot end tip. Removed separation between nozzles. Solidworks file updated accordingly. Designed specifically for the top-notch dual extruder from Riku Rusanen's thingiverse creation: http://www.thingiverse.com/thing:201184. Optimized for 20.50 mm spacing, the closest available setting. Provided with square holes for securing installation using a zip tie around the extruder's cold part. Enjoy modifying this design and let me know!
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