Anet A2 Scorpion Mount for Blower Fan

thingiverse

I've been using olev's "Anet A2 fan duct" on my Anet A2 for the last few years, but I've never been fully satisfied with using it, even after fiddling around and printing tweaked versions of it. When I put my fingers in front of the outlet jets, it's hard to feel anything, even with the fan on full speed, and my prints don't seem to benefit much from its use -- overhangs and warping are still big issues for me. So, I set out to design a new blower mount, with the objective of directing more airflow from the blower onto the tip of the extruder nozzle. Using the feel test, there is a big improvement in in the airflow of this new blower mount, and my overhangs are looking much better. Admittedly, the initial version is a bit bulky and overengineered, and there is no flat bottom surface to print on the buildplate. I may try to streamline these issues in a future version. I printed mine on a PEI surface, which helped to hold down all the support structure that the model will rest on during printing. Ironically, printing this model would benefit greatly from a good cooling setup. [Here is a link to the specific blower fan I am using](https://www.amazon.com/gp/product/B071WMHNG5/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1).