Project by BanjoBen | posted 02-27-2016 12:30 AM | 3255 views | 42 times favorited | 20 comments | ![]() |
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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
SteveGaskins
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#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
BB1
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#2 posted 02-27-2016 02:21 AM
Very thought provoking..love it!
Rentvent
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#3 posted 02-27-2016 03:56 AM
Awesome!!!
socrbent
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#4 posted 02-27-2016 05:11 AM
Very cool – from a retired math teacher
-- socrbent Ohio
Jim Rowe
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#5 posted 02-27-2016 09:29 AM
Fascinating!
Jim
-- It always looks better when it's finished!
Blackie_
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#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
BanjoBen
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#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?
JoeinGa
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#8 posted 02-27-2016 02:17 PM
Very cool ! But ….

.
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-- Perform A Random Act Of Kindness Today ... Pay It Forward
BanjoBen
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#9 posted 02-27-2016 02:19 PM
100 points to the gentleman with the red stapler. :)
a1Jim
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#10 posted 02-27-2016 02:26 PM
I like it. a totally unique project, very well done.
-- https://www.artisticwoodstudio.com/videos
jacquesr
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#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.
BanjoBen
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105 posts in 1905 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).
drewpy
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#13 posted 02-27-2016 04:51 PM
This is cool. The look just grabs me and you did a wonderful job.
-- Drew -- "The greatest wealth is health".
SteveMI
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#14 posted 02-28-2016 12:02 AM
Real cool!!
recycle1943
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#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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