Step 6Make fan duct
Duct tape in small strips will work if you have a double inner burn pot setup.
Metal duct tape works better.
A small strip of metal cut from another tin can and formed into a square would work too.
Seal over that with tape. The object of this step is to have the duct be airtight. Every bit of the fan's air needs to go through the duct. This helps with keeping the fan cool and meltdown free.
MacGuyver would have a hard time with this step too. Don't feel bad.
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