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Trefoil

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Project by BanjoBen posted 02-27-2016 12:30 AM 2329 views 41 times favorited 20 comments Add to Favorites Watch

Here is a trefoil knot I made this past week out of soft maple. The design is based on a mathematical construct called a cube diagram (cf. http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.314.4240 ).

There are a total of 15 splined miter joints in this contraption. I added a work-in-progress shot to show one stage of the assembly process.





20 comments so far

View SteveGaskins's profile

SteveGaskins

705 posts in 2221 days


#1 posted 02-27-2016 02:16 AM

Interesting build. I will have to try this one some day.

-- Steve, South Carolina, http://www.finewoodworkingofsc.com

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BB1

688 posts in 482 days


#2 posted 02-27-2016 02:21 AM

Very thought provoking..love it!

View Rentvent's profile

Rentvent

151 posts in 483 days


#3 posted 02-27-2016 03:56 AM

Awesome!!!

View socrbent's profile

socrbent

466 posts in 1904 days


#4 posted 02-27-2016 05:11 AM

Very cool – from a retired math teacher

-- socrbent Ohio

View Jim Rowe's profile

Jim Rowe

956 posts in 1947 days


#5 posted 02-27-2016 09:29 AM

Fascinating!
Jim

-- It always looks better when it's finished!

View Blackie_'s profile

Blackie_

4694 posts in 2147 days


#6 posted 02-27-2016 11:04 AM

What an attention getter.

-- Randy - If I'm not on LJ's then I'm making Saw Dust. Please feel free to visit my store location at http://www.facebook.com/randy.blackstock.custom.wood.designs

View BanjoBen's profile

BanjoBen

70 posts in 535 days


#7 posted 02-27-2016 01:59 PM

Thanks for the kind words. This was an experiment for me. I’d been wanting to build a knot for a while and the cube diagram is something I’ve studied a lot as a mathematician, so it seemed like a natural step.

I showed it this week to one of the guys who came up with the definition of a cube diagram and now he wants one! I think I managed to learn enough from the process that I’m willing to try making one with some more expensive wood. African padauk, perhaps?

View JoeinGa's profile

JoeinGa

7672 posts in 1641 days


#8 posted 02-27-2016 02:17 PM

Very cool ! But ….
.
.

-- Perform A Random Act Of Kindness Today ... Pay It Forward

View BanjoBen's profile

BanjoBen

70 posts in 535 days


#9 posted 02-27-2016 02:19 PM

100 points to the gentleman with the red stapler. :)

View a1Jim's profile

a1Jim

115740 posts in 3211 days


#10 posted 02-27-2016 02:26 PM

I like it. a totally unique project, very well done.

-- http://artisticwoodstudio.com Custom furniture

View jacquesr's profile

jacquesr

339 posts in 1057 days


#11 posted 02-27-2016 04:33 PM

Love it. The type of out-of-the box idea I like.
Maybe it’s obvious… but I see it – how are the two piece held?
If you want to share more details and dimensions, that would be great!!
Thanks for taking the time to post your projet.

View BanjoBen's profile

BanjoBen

70 posts in 535 days


#12 posted 02-27-2016 04:50 PM

Once assembled, it’s all one piece… one closed loop. All of the joints are splined miter, held with Titebond no run, no drip (I read somewhere that it’s ideal for end grain though I’m not sure it matters since they’re splined).

As for dimensions, all of the wood pieces are 1 inch square bars, and I kept a 1 inch gap between layers. Overall that makes it 9×9x9 (inches).

View drewpy's profile

drewpy

594 posts in 991 days


#13 posted 02-27-2016 04:51 PM

This is cool. The look just grabs me and you did a wonderful job.

-- Drew in Ohio -- "The greatest wealth is health".

View SteveMI's profile

SteveMI

991 posts in 2928 days


#14 posted 02-28-2016 12:02 AM

Real cool!!

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recycle1943

1318 posts in 1256 days


#15 posted 02-28-2016 12:18 AM

Way cool !!

-- Dick, Malvern Ohio - my biggest fear is that when I die, my wife sells my toys for what I told her I paid for them

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