Cyclone Pcb Z Axis passive cooler / fan shroud

This thing was made with Tinkercad. Edit it online https://tinkercad.com/things/gjG6pMy0w4x

This part is made for Cyclone Pbc factory machine (YOPERO model)
It allows to cool down the spindle by concentrating the air flow from the spindle itself to the down part of the spindle that can become hot after a few minutes of milling.

This is an attempt to reuse the airflow of the spindle itself and to avoid additional fans to cool down the spindle.

For cyclone PCB they made a derivative support for the spindle that i find less appropriate because it's made of 2 parts and the linear bearings are not held together really well.
This will reuse the part the spindle holder with the biger surface and cool down the plastic + spindle mode effectively.

Also if additional cooling is required you can still make a few drill holes inside the holder to increase spindle air surface.