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5 Cut Method for Square

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Forum topic by BigMig posted 05-10-2021 01:27 AM 522 views 0 times favorited 9 replies Add to Favorites Watch
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BigMig

631 posts in 3732 days


05-10-2021 01:27 AM

Topic tags/keywords: sled square 5 cut method 90 degrees right angle

Hey y’all. I’m building a tablesaw sled and I have a question about the 5 Cut Method:

Do I need to start the 5 Cut Method with a nearly square (each corner at 90 degrees) piece? Or – in cutting each edge – does that negate any out-of-squareness of the beginning piece?

Probably very obvious answer, and maybe I’m overthinking this…

Thanks!

-- Mike from Lansdowne, PA


9 replies so far

View 2Goober's profile

2Goober

53 posts in 721 days


#1 posted 05-10-2021 01:36 AM

Yep.

View Pixxture's profile

Pixxture

53 posts in 1190 days


#2 posted 05-10-2021 01:49 AM

Need a flat edge against your “fence” for the first cut. Out- of-squareness is negated.
As you cut an edge that edge goes against your fence for your next cut.

William Ng ( i understand the creator of the 5 cut method) has, i think, the best explanation.
It was so clear i was even able to use it..

https://m.youtube.com/watch?v=UbG-n--LFgQ

Good luck.
Having an accurate table saw sled is handy, really like having one

View CWWoodworking's profile

CWWoodworking

1886 posts in 1298 days


#3 posted 05-10-2021 01:49 AM

No.

Technically you could start with a circle if you wanted. The cut edge gets put against your fence, there for you should end up with a 90 on the second cut if your fence is square.

View AlaskaGuy's profile

AlaskaGuy

6632 posts in 3428 days


#4 posted 05-10-2021 01:57 AM



No.

Technically you could start with a circle if you wanted. The cut edge gets put against your fence, there for you should end up with a 90 on the second cut if your fence is square.

- CWWoodworking

This

-- Alaskan's for Global warming!

View Aj2's profile

Aj2

3890 posts in 2917 days


#5 posted 05-10-2021 01:58 AM

It’s the fifth cut that measured. If the cutoff piece is same thickness at both ends consider your work successful and done.
Good Luck

-- Aj

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AlaskaGuy

6632 posts in 3428 days


#6 posted 05-10-2021 01:59 AM

You might even want to try the 3 cut method.

https://youtu.be/2l5DFlCRGKo

-- Alaskan's for Global warming!

View BigMig's profile

BigMig

631 posts in 3732 days


#7 posted 05-10-2021 02:43 PM

Thanks everyone. The consensus tells me that I can recut the rectangle that I used in the first test and it won’t affect the second. Saves me a trip to the big box…

-- Mike from Lansdowne, PA

View MikeJ70's profile

MikeJ70

94 posts in 1066 days


#8 posted 05-10-2021 07:37 PM



You might even want to try the 3 cut method.

https://youtu.be/2l5DFlCRGKo

- AlaskaGuy

+1. This is what I will be doing when I get around to building my sled.

-- MikeJ

View Mike_D_S's profile

Mike_D_S

711 posts in 3333 days


#9 posted 05-11-2021 01:57 AM

Bigmig,

The size of the rectangle/square you start with is fairly unimportant as long as it’s big enough to easily handle. If you start with one big enough you can easily use it multiple times to test with.

Keep in mind that for the first 4 cuts you are just straightening the edge and don’t have to cut off much. As long as you end up with a freshly cut edge all the way down you’re good to go. If the piece is relatively square to start I may only shave off a blade width for the first 4 cuts and then cut my strip for the fifth cut.

Mike

-- No honey, that's not new, I've had that forever......

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