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Try square opinions?

dwasifar

Well-known member
Joined
May 28, 2017
Messages
2,109
I make these Soma puzzles:

1786412732053.png1786412755490.png

Obviously, precision is important to make the puzzles fit together well. I use a try square to check square on the pieces as I'm working. Currently I'm using this:

1786412992644.png

Interested in opinions. Amazon has the Kapro 353:

1786413149094.png

And also Starrett K53-8N:

1786413266060.png

Is it worthwhile to upgrade? Or is this an "if it ain't broke" situation?
 
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whateg01

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Joined
Mar 13, 2006
Messages
11,782
Location
doo dah, kansas, usa
I make these Soma puzzles:

1786412732053.png1786412755490.png

Obviously, precision is important to make the puzzles fit together well. I use a try square to check square on the pieces as I'm working. Currently I'm using this:

1786412992644.png

Interested in opinions. Amazon has the Kapro 353:

1786413149094.png

And also Starrett K53-8N:

1786413266060.png

Is it worthwhile to upgrade? Or is this an "if it ain't broke" situation?
What are you trying to fix? Is the current square not square?
 
OP
D

dwasifar

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May 28, 2017
Messages
2,109
What are you trying to fix? Is the current square not square?
It seems fine. Basically I'm just wondering what makes the Starrett and Kapro worth their money. Nicer to use, maybe. The ledge flip-out and 60 degree line on the Kapro look interesting.

Just curious really.
 

whateg01

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Joined
Mar 13, 2006
Messages
11,782
Location
doo dah, kansas, usa
It seems fine. Basically I'm just wondering what makes the Starrett and Kapro worth their money. Nicer to use, maybe. The ledge flip-out and 60 degree line on the Kapro look interesting.

Just curious really.
We have a bunch of starrett measuring tools at the makerspace. Just like any tools, you have to take care of them or they end up damaged. The two starrett try squares in the metal shop both are loose.
 
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dwasifar

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May 28, 2017
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2,109
I had an original red plastic SOMA puzzle and loved to make all the prescribed shapes. 🟥🟥🟥🟥🟥
Yeah, I had one red and one blue. Really wanted the rosewood one they mentioned in the back of the booklet, but that was out of reach for a child in the late 60s. But that's why I make wood sets now.
 
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dwasifar

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May 28, 2017
Messages
2,109
We have a bunch of starrett measuring tools at the makerspace. Just like any tools, you have to take care of them or they end up damaged. The two starrett try squares in the metal shop both are loose.
Yeah. If I drop a square or knock it off the bench, I always check it before using it again.
 

Firebrick43

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May 12, 2015
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14,370
Location
West central Indiana
It seems fine. Basically I'm just wondering what makes the Starrett and Kapro worth their money. Nicer to use, maybe. The ledge flip-out and 60 degree line on the Kapro look interesting.

Just curious really.
I cant hardly stand a try square any more without a ledge. I don't think the KPro one would do it for me but it would be better than none.

You would probably balk at the cost of a 642SS woodpeckers
 

Nobody-named-Olli

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Jan 9, 2025
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North Rhine-Westphalia; Germany
If my perception of size is correct, you might find the Woodpeckers Mini Square interesting/ worthwhile for your work. I imagine it would feel like the perfect size and cover a lot of surface on those puzzle pieces.

https://woodpeck.com/products/woodpeckers-mini-square

I have this in my box of tricks and have found quite a few uses besides squaring up/ checking chisels.

But other than for the feel/handling, I think it’s a “if it ain’t broke” situation - if your current square works for you.

Kind regards,
Olli
 

RTM

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May 13, 2019
Messages
13,379
Location
SF Bay Area
I personally use a 3" machinist square, or a 4" double square for small stuff. No idea how big your individual blocks are, but I try to use a tool as small as possible to cover the work piece.

With your squares being 8", I would want to be on the 6-8" size workpiece.

Just easier handling IMO
 

scooterbum46

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Jan 29, 2014
Messages
909
Location
South Central Michigan / ex Gulf Coast Florida
I prefer Starrett machinists combination squares - I trust them more than any try square due to the try square's 2 piece construction that can be knocked out of square. The combination style with the rule drawn into square by the thumbscrew/bolt between two supports make it pretty hard to damage in any way that affects it's "squareness".
 

neophyte

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Apr 23, 2012
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Location
Pennsylvannia
The advantage to a combination square or the “double square” version of the combination square, is that the blade is removable, and it’s possible to tweak the slot if the slot gets out of square to correct the issues.
Epstein has decent prices on the PEC squares, and better prices on blemished PEC squares.
PEC doesn’t make as wide a variety of sizes as Starrett, but combination square can be bought in sizes from 4” to 24” , with different length rulers.
There are also similar die makers square in 2-1/2” sizes.
For traditional fixed machinist square I prefer the European unibody type made from a single piece of steel.
 
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