Pipe - furniture 25 mm.
sealant gun
and a pair of washers.
That's all not a tricky device. I’m building a hair dryer.
All mine homemade made on the principle of simplicity and easy repeatability, so ordering from a "familiar" turner is not my case. On this I ask you for advice on how to roll the pipe to the desired diameter. I managed to reduce the hole by about two with a hammer and pliers (from 25 to 12 mm), then the metal cracks and does not want to decrease. I thought of putting a big ball from the bearing, but I don’t have one, but I don’t have another idea yet.
Here's a video
Here is a photo (though poor quality, tomorrow I'll take it off with a camera)
