Bob Waugh shared on Thingiverse:
These sanding sticks hold replaceable sandpaper, glasspaper, ali oxide paper etc. They are 20mm wide and 150m long. They need paper 20mm x approx. 280mm long, it varies in length slightly between sticks. The paper is easily to replace with the thumbscrews and clamp. The photos show 3 of them, I’ve just added a 4th which is No2 with a square end. There’s a hole in one end of each of them to hang them up, it also reduces material costs.
You will need two 5mm hex head bolts with a thread length of 20mm along with 2 washers and nuts to match for each stick. The hex head bolts are recessed in the stick as are the nuts in the thumbscrews. I had to clean out the 5mm holes with a drill bit to allow the threaded portion of the bolt to slide through cleanly. I colour coded my thumbscrews for different grades of paper.
The sticks are printed on their side the way they are shown. All the printing was done with PLA at a layer height of 0.2mm. The sticks and clamp are printed at 50% fill and the thumbscrews at 100%.
Update – Following several requests I’ve expanded the sticks to be 30mm wide and added the files on here. They aren’t tested but should work ok.
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