Plastic mounts are not recommended since the fan will fail at some point, afterwards your mounts will melt! Use at your own risk.
I used the mount without corner because I have wires going next to the extrusion.
The author remixed this model.
PTC heater bracket for 2020 extrusions. So works with Voron V2, Trident, Switchwire, Prusa with bear frame, Creality Ender 5 and any other enclosed printer with 2020 frame.