Homemade Disc Sander / How to Make a Disk Sander - YouTube
John Heisz's homemade disk sander
Homemade Edge Belt Sander Table - Paoson Blog - DIY TOOLS
Electric Belt-Sander Polishing-Grinding Sharpener Adjustable - 13 x 1.2inch DIY Power Sanding Machine Cutter Edges Mini Bench Belt Grinder Kit, 7-Speed Multifunctional for Knife Making, Woodworking - Amazon.com
How to Make a Homemade Disk Sander from an Old Motor – Practical Mechanic