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Cutting perfect equilateral triangles?

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Forum topic by Glenn Huovinen posted 05-12-2012 07:34 PM 2469 views 0 times favorited 7 replies Add to Favorites Watch
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Glenn Huovinen

41 posts in 1691 days


05-12-2012 07:34 PM

I need some help y’all. How can I cut consecutive equilateral triangles, one after another. All the same size?
Help please.
Glenn

-- Glenn Huovinen


7 replies so far

View saproc's profile

saproc

71 posts in 991 days


#1 posted 05-12-2012 07:39 PM

good luck with this one i have tried to make a jig that cut hexagons if you are just on degree out it shows. dont mean to be negative but its hard. good luck if you are sucessful please tell me how to do it. cheers

View Bill White's profile

Bill White

3587 posts in 2711 days


#2 posted 05-12-2012 07:45 PM

Cut with what? Table saw, miter saw, RAS…....?
More info please.
Bill

-- bill@magraphics.us

View Loren's profile

Loren

7825 posts in 2398 days


#3 posted 05-12-2012 07:54 PM

For game tile sized pieces in plywood, for example,
rip the ply into straight strips say 2” wide.

Then make a jig that rides in your table saw miter
slot with a somewhat adjustable fence set to
crosscut the angle to make the triangle. A
de-sta-co type hold down should be used with
parts this small, and twisting of the work should
be prevented with stops on the jig board.

It may take some trial and error to get the jig set
so you can just clamp, cut, unclamp, flip the
strip and repeat.

-- http://lawoodworking.com

View jmos's profile

jmos

681 posts in 1120 days


#4 posted 05-12-2012 08:00 PM

If you just need them all to be identical (but not necessarily perfect) you can try stacking blanks on top of each other and cutting them at one time as a stack.

How perfect are you looking for?

-- John

View Glenn Huovinen's profile

Glenn Huovinen

41 posts in 1691 days


#5 posted 05-12-2012 08:08 PM

I am using a table saw and I made a jig to make diamonds, which works well. I just figure can’t figure out how to make a Jig for cutting exactly the same equilateral triangles. I want to duplicate in wood a quilt that my wife made.

-- Glenn Huovinen

View Dallas's profile

Dallas

3203 posts in 1238 days


#6 posted 05-12-2012 08:20 PM

Try this idea from Raymond Chambers. He use it for making Texas Stars:

http://lumberjocks.com/iltws2/blog/27586

-- Improvise.... Adapt...... Overcome!

View Tootles's profile

Tootles

719 posts in 1252 days


#7 posted 05-13-2012 03:00 AM

Do you have a cross cut sled? Add an angled fence at 60° to the blade (or 30° to the cross-cut fence) – use a drawing set square to get the angle perhaps. “Perfection” does depend on getting this angle right.

Then along that fence put a stop block to achieve the length of one side when cut. You can start with a regular rectangular board and make the first cut anywhere you like relative to the end of the board. Flip the board over top-to-bottom for each cut thereafter and make sure it is pushed up to the length stop before making the cut.

-- I may have lost my marbles, but I still have my love of woodworking

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