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After watching this video, you can make a DRUM SANDER easily.
Start by downloading a PDF template from the link below. Print PDF dimensions table (this PDF). Then perform the operations on the video. I hope you enjoy it. Please subscribe to my Youtube Channel and turn on notifications.

Making Video :
Go to this video's Youtube page and make a comment.

I've updated this machine, see this page: Thickness Drum Sander Motorized Feed Mechanism
This is the page that contains the desktop jointer's videos. You can view the 3D model video. You can download the PDF plan.

You can see how to easy build a simple dust collector in this video. I made a dust collector from two plastic buckets.