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Two vases. (Read 281 times)
 
Bob Coates
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norristown, Pennsylvania, USA
norristown
Pennsylvania
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Two vases.
Sep 5th, 2016 at 3:33pm
 
This vase is unusual in the fact that each ring has one more wedge than the one below.  The bottom ring consists of 8 wedges, the next 9 and so on until the top ring of 48. Doing the calculations yields 1184 then adding the solid base makes 1185 pieces in the vase.
How it is done.
I have a set of wedges that can exactly make wedges containing  8, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, or 48.  These wedges are used to cut angles on the wood sections allowing wedges to fit to make a perfect ring of 360 degrees.  For example the 360/8 yields 45 degrees wedges.
The rings from these wedges are shown in the vase as a single wood(oak).  To get the odd ring wedges you can take for example the 8 wedges and only make 7 wedges, then add 2 wedges of a different wedge set (cut at 22.5 degrees) and get nine wedges.  The trick is that degrees of all the wedges must total 360.  These are shown in the darker wood and arranged as one block on one side of vase.
The second vase is the same design but the different wedges are shown at random locations.  The top ring was inspired by Gordon McEwan and has 16 wedges of 7.5 degreee and 32 of 15 degree.  The 16 wedges are placed backwards which in effect makes the pair 22.5 degree and meets the 360 goal.
Comments welcome.

Bob
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« Last Edit: Sep 5th, 2016 at 3:47pm by Bob Coates »  
 
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Walt
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Hanford, California, USA
Hanford
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Gender: male

PM 3520A
Re: Two vases.
Reply #1 - Sep 6th, 2016 at 11:00am
 
Very cool concept and execution.  I would suggest you try a floating base vice a solid.  This will allow for expansion and contraction and limit the chances of cracking.  They are quite easy to incorporate and nobody knows its there.
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