Shopmade sanding blocks

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  • Shopmade sanding blocks

    Whilst cleaning up I found an old BT3central post by ejs1097 I printed out from a while back. I had forgotten about it.


    I made some changes and whipped out a few in a couple of evenings.
    What I liked about them was they hold the sandpaper tight and snug, the bought ones the paper works loose and sags and gets caught and tears.
    Also easy and cheap. Also has a square end for sanding into corners and a radius to do curves. I did modify the block so it used thicker stock (easier to hold) and put the paper retainers in the end rather than the top.

    I used a 2x4 Planed one side on the jointer so its dead flat and smooth, edge jointed, ripped to 2-5/8 inch wide. and then cut to 5-1/8" long blocks.

    Use a 1/2" brad point bit (I think that's important to keep from breaking out the side), 5/32" from the ends and 15/16" from the sanding face.

    Used a bull nose 1/2" bit 0.150" deep to cut finger grips on the sides, centered and 1" from the ends (3-1/8" center to center). Break the sharp edges of the slot with sandpaper for comfort.

    then used a roundover bit 1/2" R to cut the nose of one end, then a 3/16" roundover on the top to make it more comfortable to hold.

    Had some PVC tubing I cut to 2-1/2" long. Use 5/8" OD flexible PVC tubing (Available Lowes plumbing dept).

    Takes sandpaper sheets (normally 9x11), fold into fourths at 2-3/4 (fold parallel to the 9" side) and tear or cut to get four each 9 x 2-3/4" strips which work well with this size block. Now I can have spares, I make four pairs so I have 2 each of 4 sizes at hand.(100, 150, 220, 400 grit)

    Thought this article was worth resurrecting.

    View entire article and clarification discussion at
    http://www.sawdustzone.org/showthrea...ner+radisu+jig
    Attached Files
    Last edited by LCHIEN; 06-28-2022, 01:54 AM.

    • LCHIEN
      #19
      LCHIEN commented
      Editing a comment
      Originally posted by chopnhack
      Thanks Loring for resurrecting this one and to the op! Very good stuff!!

      Loring, your design move the clamping tube to the front and rear edges of the block, did you find that change good or bad? I was thinking that one bad thing would be not being able to run right up to a corner, but on the plus side the tubing would act as a bumper.

      Or was your design just thicker than the op's and so the paper didn't wrap around the top?
      I made it thicker because I thought it would be easier to hold.
      I have not had the problem of the tubing keeping me from getting to a inside corrner. I guess you could make it shorter and wrap around the top but it would waste paper area. (or not, if you use the ends frequently.)

      If I recall I made the change to increase the length of the block a bit (I made mine 5-1/8 the OP was 4-7/8, I think I could have made mine at least another 1/4 or 1/2" longer). And because it was thicker and because I thought it looked better.

    • jseklund
      #20
      jseklund commented
      Editing a comment
      Great, now I have ANOTHER project to do. Those things would be so handy.

      That is some great work Lorring - kind of reminds me of some high end chisels

    • LCHIEN
      #21
      LCHIEN commented
      Editing a comment
      Bump this one. These are by far the best sanding blocks I ever used better than any commercial blocks. And super cheap and easy to make
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