Grand Central Table - Woodworking Talk - Woodworkers Forum
 
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post #1 of 4 Old 10-26-2019, 12:27 PM Thread Starter
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Red face Grand Central Table

Based on an map that Swedish designers Sanna Lindström and Sigrid Strömgren had from NY's Grand Central Table, itself folded into a shape similar to a baseball diamond, they created this table.

I say similar above because a baseball diamond has only straight lines while this design features one side having an arc so that when opened, a circle is created.

https://sigridstromgren.se/2010/04/07/grand-central/

Does anyone have some idea about what material the 22 pieces of wood (or MDF) here could have been coated with that can accept the folds to allow the table to work, yet be strong enough to resist breakage across the years and openings/closings of the table and these presumptively weakest bending points?

Thanks.
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post #2 of 4 Old 10-27-2019, 02:28 PM
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The method of construction does not seem to be mentioned in any of the articles about it. From what I can see this was a concept design, I don't believe it was ever actually put into production so reliability was not yet a factor.

Wise men speak because they have something to say; fools because they have to say something -Plato

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post #3 of 4 Old 10-27-2019, 03:01 PM Thread Starter
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I think (no pun intended) that you may have "hit the nail on the head" as it regards to possible limited durability of whatever binds the pieces together in the concept piece, across time and multiple folds.

I'm thinking that butler hinges are a far more practical way to go here.

Thanks.
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post #4 of 4 Old 11-02-2019, 06:43 PM Thread Starter
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I am investigating a way of doing this--that will most likely "crash and burn" -- of taping two pieces of wood together with Gorilla Tape TM riding up the seam, and then stapling the tape on either side, as the tape is stronger against lengthwise shear than its adhesive. I may router out the thickness of the tape and staples so lays flush.

If this proves to have merit perhaps I will then cover the table with this stuff, cut for each piece, although at 1/16" it may be too thick to easily fold the table given all its folds when in compact form.

https://www.homedepot.com/p/1-16-in-...3003/202090190

or maybe super industrial cleanable wall paper....

I need to get a better handle on the tape's expansion coefficients (i.e. how much it resists widening, or for that matter lengthening) over time and pull force.

Last edited by Arbee; 11-02-2019 at 06:49 PM.
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