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Thread: Accurate T Square....

  1. #1
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    Accurate T Square....

    Any suggestions on an accurate (I mean dead on accurate every time) T Square ?? I have a drywall square, it's great for cutting sheet rock, but it is NOT accurate. A good framing square is awkward (at least for me) and not as accurate as I want.

    I'm looking at the Woodpeckers 24" aluminum T Square for $130. Any alternates or suggestions would be appreciated. Personally I think its a lot of money, but my goal for the next few months is to master the art of 'square'. What do you all use for reference??

    BTW: I tried to search the forum to see if this topic has been discussed before, but the search engine will not recognize the T by itself, and square brings up every third post.
    Tony

  2. #2
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    Does it have to be a t-square. I've had good success with a framing square with framing square fence from Lee Valley. For slightly smaller stuff, the Starret combo-square rules. It comes with longer rules also.

    Jay
    Jay St. Peter

  3. #3
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    Pat Warner makes a couple of interesting T squares.

    It may or may not suit your needs.

    One thing, though, if it suits your requirements, you can be certain that it will be accurate. Pat's a pretty meticulous guy.

    www.patwarner.com

    -Andy

  4. #4
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    Have you considered making one?

  5. #5
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    Tony, I picked up a Starrett 36" T-square this spring at a local hardware store for under $20. It checked dead on against my Starrett combination square. That is good enough for me, after all it is a Starrett and they don't make any junk

    Here is the page from the Starrett Catalog
    Last edited by Ken Garlock; 08-19-2005 at 1:26 AM.
    Best Regards, Ken

  6. #6
    Tony-
    I went to a local office supply store that sold drafting equiptment and found a 36" model for about thirty dollars.
    It had 4 screws holding the head on the beam. I elongated two opposing corner holes and set it with a machinist square till it was dead on. I double checked it on a long piece of plywood and seems to be about 1/64th off from 1 to 36 inches. Which I think is close enough.
    I am like you, never could get the hang of a carpenters square, I even had some blocks machined to fit on the edges, just never got comfortable with it.

    HTH
    Dave
    Mission Furniture- My mission is to build more furniture !

  7. #7
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    15 years ago I needed a large, accurate T-square, so went to a store or yard that handled drywall T-squares, with my Starrett, and found one right on. I have taken very good care of it, and use it only for drafting, and for marking sheet goods. I hangs on the wall, and is never used for drywall.
    I don't know if today one could do the same thing.

  8. #8
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    Thanks for your input .........

    I'll have to think this one out, but so far I kinda like Jay's suggestion of the framing square with framing square fence from Lee Valley. Looks like it will do the job without breaking the tool budget.

    I'll be by Woodcraft tomorrow and look for ideas there also........ Thanks again!
    Tony

  9. #9
    Jay;
    An old woodworkers trick taught to me by my Dad (an old woodworker) when sellecing a square he would take it to a piece of sheet goods, lay it on the edge of the board and draw a line verticaly. Then he would flip the square over and draw another line over the original. If there was any differance in the two lines you knew the square was not sqaure. I now do this with every square I buy.

    If it ain't sqaure it goes back.
    Last edited by Don Baer; 11-30-2006 at 6:21 PM.

  10. #10
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    Quote Originally Posted by Don Baer
    Jay;
    An old woodworkers trick taught to me by my Dad (an old woodworker) when sellecing a square he would take it to a piece of sheet goods, lay it on the edge of the board and draw a line verticaly. Then he would flip the square over and draw another line over the original. If there was any differance in the two lines you knew the square was not sqaure. I now do this with every square I buy.

    If it ain't sqaure it goes back.
    Yep, I use cheap squares from the borg. I bring along a pencil and test them on their MDF supply
    Jay St. Peter

  11. #11
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    Adjusting

    And, you can adjust any square to be perfectly 90 degrees with a nail set and a hammer. Did that with my old Stanleys, and they're dead on.

  12. #12
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    Yep, My Dad taught me the SAME tricks as Don and Gary mentioned when I was about 8 yrs old, & I've used them ever since. What really Irks me though, is that they can't even machine the two sides of each leg of the squares parallel to each other anymore, and you have to first get either the inside or the outside square, and then dress the other side to match, (in case you want to use either the inside or outside edges of the square).
    "Some Mistakes provide Too many Learning Opportunities to Make only Once".

  13. #13
    <!--StartFragment --> For 20 to 30 dollars the Johnson adjustable T square
    Is the sleeper bargain. It locks in perfect with detents.
    It folds up so it doesn't get knocked out of square.
    They all do. when you drop em a couple of times.
    And it is twice as hefty as a regular T square.
    I also find that 9 out of 10 times it is not the square that is out
    but the fellow with the pencil.
    Per
    Attached Images Attached Images
    "all men dream: but not equally. Those who dream by night....wake in the day to find that it was vanity; but the dreamers of the day are dangerous men, for they may act their dream with open eyes, to make it possible."
    T.E. Lawrence

  14. #14
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    Quote Originally Posted by Per Swenson
    <!--StartFragment --> For 20 to 30 dollars the Johnson adjustable T square
    Is the sleeper bargain. It locks in perfect with detents.
    It folds up so it doesn't get knocked out of square.
    They all do. when you drop em a couple of times.
    And it is twice as hefty as a regular T square.
    I also find that 9 out of 10 times it is not the square that is out
    but the fellow with the pencil.
    Per
    nice tip Per...I never heard of such a thing before...its now in my cart. I am going to post a link to amazon, because i am unclear on the rules regarding such a thing. I know people will ask where to buy this tool..so here goes.
    http://www.amazon.com/exec/obidos/tg...15840?v=glance

  15. #15
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    If you want a big square, you might want to look at the "Asquare" from Lee Valley. Advertized as accurate to 1/32 in. over 4 ft. http://www.leevalley.com/wood/page.a...=1,42936,42944

    I'm not sure if it is the Johnson that Per referenced or not, but LV has a similar one called "48 in. Adjustable T-Square." It is advertized as true to 1/16 in over the 4 foot length.
    http://www.leevalley.com/wood/page.a...=1,42936,42944

    Steve

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