Cetus Dual Fan duct
Description
Cetus is a nice little printer. But it has only one fan acting as both part cooler and nozzle cooler. Because the part cooler is always on, brim usually wraps (UpStudio uses very think brim/raft, which is okay for the design) if you use Slic3r. I designed this dual fan duct to make use of the two fan ports in the head, one is an always on 5v port, and another is PWM controlled port (via `M42 P15` gcode in case of Cetus CPU or M106 using TInyFab CPU). I designed this to use a 5015 blower style fans (I am using [these](https://www.amazon.com/gp/product/B07KRV4MDJ) ballbearing fans) and getting really good results. If you are using original CPU, then you can use my [Slic3r profile](https://www.thingiverse.com/thing:3045287) and move the `M42 P15 S1` to a later stage after one or two initial layers. THis ensures very good adhesion and nice print. If you are using the TinyFab CPU, then you can use the cooling options in the Slic3r itself to disable the fan for first few layers.
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