Fan duct for FAR Tecnoart II (Malyan M180 / Replicator clone)
Description
This is part of a restoration that I'm doing to a FAR Tecnoart II (clone of a Malyan M180, that afaik is also a clone of a Replicator Dual) that a friend gave to me as gift. My intention is to only modernize it, and not to touch anything of the original logic board. Or at least it will be like this until I get bored. This fan duct is an attempt to fix the bad flow of this dual extruder printer. By default, both fans looks towards the motors of the direct drive extruder, but airflow has no exit path, creating a turbulence, and thus creating temperature differences at the front side of the heated bed. As you may already know, this causes a few issues since the glass will expand heterogeneously, and your printed parts will get a sporadic breeze that will slowly tend to contract the part or separate it from the bed. This is specially notorious when using ABS. To set this out, you might need to remove the washers from the left cooler, and then turn it over to place it in reverse (I mean, extracting air instead of pushing it to the extruder) creating an airflow from the right cooler to the left cooler as exhaust. Then, place this duct as replacement for the cooler cover, pointing up. I've tested several designs, this is the most efficient and the most flatten possible.
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