Squaring Jig on MTF/3??

daviszr1

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Aug 25, 2008
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Jerry Work's tutorial about the MFT has proven to be exceedingly useful, but I he utilized the older MFT tables.  With the MFT/3 and the new v-channel rails, how do you go about making a squaring jig.  I've got an idea in mind, but it's not nearly as elegant as I would like it to be.  What do you guys do/use?  Without a T-track on top, you can't utilize an 8mm or 1/4" bolt easily.
 
My rail is aligned to the holes and I don't see any adjustment in th V channel.  It is easy to square to the fence.
 
I'm not certain we're on the same page.  Works' "squaring jig" isn't to square the fence.  It's basically two pieces of hardwood placed on the table, typically the corners, at 90* to each other so you have a nice square reference to clamp against.  It's outlined in his .pdf tutorial about the MFT.
 
If I understand your question, you're wondering how to make the second of Jerry Work's squaring legs. As I recall, Jerry used the upward facing t-track for his second leg.

To achieve a similar result, one could make both legs of the reference square use the holes in the tabletop. Those hole patterns are square to one another. Admittedly, there is a small loss of real estate. I think that loss is more than overcome by repeatability and flexibility.

Set up your reference corner legs one time and use them repeatedly anywhere you want on the tabletop. You might have some fine tuning issues but those can be handled a variety of ways.

If greater accuracy is required than the CNC machine that produced that tabletop, that's another issue and I think that deserves its own thread.

Tom
 
I'll try again.  Qwas dogs, or even the dog portion of the Festool Clamping Elements placed in the MFT's holes will work as a 'squaring jig' -- two dogs placed into two of the holes along one edge and another two dogs in holes along an adjacent edge.  If you want more than just the dogs, use a board against each pair of dogs and clamp if needed.  Much quicker than Jerry's method and will work equally well with either MFT or MFT/3 tables.
 
Got it.  I've never heard of qwas dogs before and had to do a search to figure out what you were talking about!  Not sure I can get off more than $10 for a single bench dog.  It just might be the best solution though.
 
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