Blower Fan Active Cooling for Replicator 1 / Flashforge / CTC

thingiverse

Active cooling is an absolute must-have when printing with PLA. The cooling process needs to happen quickly, or you won't achieve optimal results otherwise. Axial fans simply don't provide enough airflow and pressure to do the job effectively. In my opinion, a blower fan will give you more of what you need for this application than an axial fan. Sometimes it may seem like overkill, but I've found that having fine sharp edges on my PLA prints makes it worthwhile. So, I thought I'd share what I've learned after sitting on this information for two years. A warning: the fit and finish might not be perfect. I take pride in releasing high-quality parts that print and work as intended, but this one may require some filing to get it just right. Try filing the easily replaceable mount that screws into the fans, rather than the duct itself. The FET installation is relatively easy, although I hear that newer printers often come with this feature already built-in. If you find a tutorial and want me to add it here for reference, feel free to post it. Since this design is based on an existing one, please check out those files for more detailed instructions. Here are the custom settings: print Coolduct2.1.stl without supports, using 30% infill, two shells, and a layer height of 0.1 mm. Once printed, break off the support structure – you may need to adjust this depending on your printer's specifications. As for performance, I found that my nozzle and power supply can only maintain an equilibrium temperature of around 224 C due to the blower fan's high airflow. However, this has not affected my prints, which are still turning out great. Don't worry if you're not a pro – just follow these steps and enjoy your active cooling solution. One last thing: if you have a door or enclosure on your printer, it may interfere with its maximum travel range to the front. I haven't fixed this issue yet, but it's not a problem for me. Have fun experimenting! TL;DR: Print Coolduct2.1.stl at 30% infill, two shells, and 0.1 mm layer height in ABS. Mountv3.stl or Mount.stl may need to be scaled by 3% for ABS. Post-processing instructions: Break off the red supports.