The author takes an old PC fan, breaks the blades off, sands it down a bit, then superglues sandpaper to it. Pretty simple build.
https://www.instructables.com/id/Stronger-Cheaper-DIY-Sand-Drum/
The author takes an old PC fan, breaks the blades off, sands it down a bit, then superglues sandpaper to it. Pretty simple build.
https://www.instructables.com/id/Stronger-Cheaper-DIY-Sand-Drum/