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+-- Thread: How do I square up a large slab? (/showthread.php?tid=7330186)
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How do I square up a large slab? - Wipedout - 05-13-2017
Is there a formula or method to square the ends of a large live edge slab? I have a large slab with live edges. So they aren't flat enough to but a square against. It's a little over 7 feet long and 40 inches wide. I need to square the ends. It's going to be a dining room table. One end is almost square but I can tell that it's not. The other end is various lengths
So how can I make the ends square enough so it's not a trapezoid? Or parallegram? Or whatever you call it
Thanks
Robert
RE: How do I square up a large slab? - JGrout - 05-13-2017
put parallel lines on the slab along the length on both sides then layout the end cuts from those lines.
that is the easiest IME
Joe
RE: How do I square up a large slab? - Wipedout - 05-13-2017
Thanks Joe. I was overthinking it wasn't I? Lol
RE: How do I square up a large slab? - JGrout - 05-13-2017
(05-13-2017, 10:54 AM)Wipedout Wrote: Thanks Joe. I was overthinking it wasn't I? Lol
Just a little maybe
RE: How do I square up a large slab? - ianab - 05-13-2017
I lay a plank down the middle of the slab and align it to the middle of each end. Then square off from that with a big builders square.
I figure the centre line of slab is what the eye is going to judge "squareness" of the table off, as the live edge corners aren't going to 90 deg except by chance.
RE: How do I square up a large slab? - clockman - 05-13-2017
With a level
RE: How do I square up a large slab? - Steve N - 05-14-2017
Absolutely the best use of a tracksaw, and can be done with a circular saw and shoe jig. Having a semi flat surface to cut along helps. Once you have an edge, you can joint that, then face joint, or slab off slices on a bandsaw, and you are going.
RE: How do I square up a large slab? - mikefm101 - 05-14-2017
Like what JGrout said. Rather than a framing square I've used the 3-4-5 triangle method to mark the perpendicular lines.
Will rough cut with a circular saw, then finish with a flush trim router bit riding along a flush cut jig.
Mike
RE: How do I square up a large slab? - Arlin Eastman - 05-15-2017
I have seen people use a sled to create one straight line.
RE: How do I square up a large slab? - Wipedout - 05-15-2017
Joe's method worked just fine
Thanks all