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Geotek

Woodworker's Best Friend

by Geotek Jan 18, 2012
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Okay - I made one (will upload pics once epoxy sets). Many thanks for the design!

Here is what I found:

I tried printing it feet down using supports. I wasn't so happy with that orientation especially because the magnet pockets got filled with supports that were a little bit hard to remove. I would try it with the pockets facing up.

The nut and hole with the version for a tightening knob is a #10 machine screw. The pocket for the nut is probably exactly the size of a standard nut but most likely due to print tolerances no matter what I did I could not get the nut to sit and the shaft of the dial to still clear, the nut always was sticking out a fraction of a mm. If I were to reprint this i would make this pocket deeper by 1mm. I had to take the nut to the bench grinder and slim it's height down.

Finally the saddest lesson of all: before epoxy I went to go test which side of the magnets were stronger. This is when I learned that both the top to my portable dewalt table saw and my Bosch router table are not made of a ferromagnetic material (magnets don't stick to them). I can still use this tool, just it won't stick in place by itself :(

I found a pack of 6 magnets for $4 that I think will fit at home depot: http://www.homedepot.com/p/MASTER-MAGNETICS-1-2-in-Neodymium-Rare-Earth-Magnet-Discs-6-per-Pack-07046HD/202526367

can you give me an idea on how the size nut that is suppose to be used with the knob on the front? How is the set2a suppose to work, just a friction hold?

Comments deleted.

hey print in one piece
orient the jig with legs up for printing, as it wont require sanding the feet- the feet will be level

when printing the model upside-down, set a pause height of about 1mm below the top of the model (about 49mm) and that will leave to insert the magnets.

The dial indicator has a 3/8" shank and 1" of travel. These are very common are a standard size. You can find them at tool suppliers. Harbor Freight sells them.

Hi, I'm thinking of making this for my dad for Christmas, but can you give me more info on the dial indicator? Perhaps a link to one on amazon or similar?

Thanks in advance!