Be sure the ventilation is separated from the interior of the home or apartment
Step 1: Supplies
Jar With Top
Two Small Wheels
Step 2: Procedure
Make the aluminum tube with the soda can. Cut a square out of the can and curl into a tube that fits into the small hole. A 4 inch piece of PVC pipe will be the bigger tube.
I did make a spinning mount but I don't have a picture.