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 Post subject: Cubic Trisection by OSKAR
PostPosted: Sat Dec 07, 2013 7:07 am 
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Hi Non-Twisty Puzzles fans,

Cubic Trisection was first shown to George Miller by Robert Reid as part of his box of all the ways a cube could be trisected by three equal parts. They were all paper models that were rectilinear with the exception of this beautiful little curved trisection. George was intrigued by it and finally made one when he got a 3D printer. George asked Oskar van Deventer to design it. He printed it in green, red and yellow as per Oskar's love of children's colors. It came out great. George have since purchased a new 3d printer which does not yet have the color green. At the request of one of George's English customers, he had changed the colors to red, white, and blue. The new colors are brilliant. Most people have a difficult time putting it together. They usually try and force the pieces to "snap" together, whereas they easily glide together when twisted along the main diagonal. George later learned that the magnificent Dutch artist, Rinus Roelof, had also come up with a similar trisection all in silver.

Watch the YouTube video.
Buy the puzzle at my Shapeways Shop.
Read more at the Shapeways Forum.
Check out the photos below.

Enjoy!

Oskar
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 Post subject: Re: Cubic Trisection by OSKAR
PostPosted: Sat Dec 07, 2013 11:28 am 
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Joined: Thu Mar 07, 2013 2:38 pm
Location: U.K
I saw the video and thought it would be relatively cheap (in comparison to most shapeways puzzles). How wrong was I huh?

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 Post subject: Re: Cubic Trisection by OSKAR
PostPosted: Sat Dec 07, 2013 1:41 pm 
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mightypuzzle wrote:
I saw the video and thought it would be relatively cheap (in comparison to most shapeways puzzles). How wrong was I huh?
Shapeways charges per 3D-printed volume. The cube is 60x60x60 mm. Whereas the pieces are hollowed out, I needed to thicken the surfaces and add internal support inside the pieces for strength.

Oskar

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 Post subject: Re: Cubic Trisection by OSKAR
PostPosted: Sun Dec 08, 2013 7:11 am 
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Oskar wrote:
The cube is 60x60x60 mm.
Oskar, why did you make it so big? Wouldn't this design be suitable for a much smaller size?

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 Post subject: Re: Cubic Trisection by OSKAR
PostPosted: Sun Dec 08, 2013 9:03 am 
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Gus wrote:
Oskar wrote:
The cube is 60x60x60 mm.
Oskar, why did you make it so big? Wouldn't this design be suitable for a much smaller size?
A customer of mine wanted it this big.

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 Post subject: Re: Cubic Trisection by OSKAR
PostPosted: Sun Dec 08, 2013 9:12 am 
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Joined: Mon Mar 30, 2009 5:13 pm
Does Shapeways have an automatic scaling function with options to maintain minimum wall thickness? Perhaps they should!

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