I was looking for a way to get rid of wood dust in the workshop. I thought of making this air blower and I got to work. You can find the details in the video. The PDF download link is below.
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PDF Download : Dust Collector Centrifugal Air Blower
I'm making a drill guide a bit of plywood. Extremely handy tool for opening 90 degree holes. Also the cost is very low. After watching the video you can do according to y