If you have a small hobby workshop and are interested in woodworking hobby. You definitely need this tool. A sanding block is a block used to hold sandpaper. My sanding blocks, it is a block of wood (plywood) with smooth flat sides.
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PDF Download : Sanding Blocks Dimensions - 130mm
PDF Download : Sanding Blocks Dimensions - 200mm
Did you see this ? Spindle Drum Sanders for Drill
I print a Cyclone Separator file that I downloaded from the internet on a 3D printer. I'm trying to make a Dust Collector using the resulting Cyclone Separator.