Trapped Outside (hollow)

Trapped Outside (hollow) 3d printed White Strong & Flexible
White Strong & Flexible
Trapped Outside (hollow) 3d printed White Strong & Flexible
Trapped Outside (hollow) 3d printed White Strong & Flexible
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Trapped Outside (hollow) 3d printed cutaway view showing inside and tiny hole
Trapped Outside (hollow) 3d printed cutaway view showing inside and tiny hole
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Trapped Outside (hollow) 3d printed ordinary view
Trapped Outside (hollow) 3d printed ordinary view
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Trapped Outside (hollow) 3d printed smooth join
Trapped Outside (hollow) 3d printed smooth join
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Trapped Outside (hollow) 3d printed triple intersection point
Trapped Outside (hollow) 3d printed triple intersection point
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Trapped Outside (hollow) 3d printed Purple Strong & Flexible Polished
Trapped Outside (hollow) 3d printed Purple Strong & Flexible Polished
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Trapped Outside (hollow) 3d printed Black Strong & Flexible
Trapped Outside (hollow) 3d printed Black Strong & Flexible
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Trapped Outside (hollow) 3d printed Black Detail
Trapped Outside (hollow) 3d printed Black Detail
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Trapped Outside (hollow) 3d printed Polished Bronze Steel
Trapped Outside (hollow) 3d printed Polished Bronze Steel
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Trapped Outside (hollow) 3d printed Pink Strong & Flexible Polished
Trapped Outside (hollow) 3d printed Pink Strong & Flexible Polished
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Trapped Outside (hollow) 3d printed Frosted Detail
Trapped Outside (hollow) 3d printed Frosted Detail
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Trapped Outside (hollow) 3d printed Frosted Ultra Detail
Trapped Outside (hollow) 3d printed Frosted Ultra Detail
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Trapped Outside (hollow) 3d printed Transparent Detail
Trapped Outside (hollow) 3d printed Transparent Detail
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Trapped Outside (hollow) 3d printed White Detail
Trapped Outside (hollow) 3d printed White Detail
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Trapped Outside (hollow) 3d printed White Strong & Flexible Polished
Trapped Outside (hollow) 3d printed White Strong & Flexible Polished
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Trapped Outside (hollow) 3d printed Red Strong & Flexible Polished
Trapped Outside (hollow) 3d printed Red Strong & Flexible Polished
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Trapped Outside (hollow) 3d printed Stainless Steel
Trapped Outside (hollow) 3d printed Stainless Steel
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Trapped Outside (hollow) 3d printed Polished Silver
Trapped Outside (hollow) 3d printed Polished Silver
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Trapped Outside (hollow) 3d printed Metallic Plastic
Trapped Outside (hollow) 3d printed Metallic Plastic
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Trapped Outside (hollow) 3d printed Matte Bronze Steel
Trapped Outside (hollow) 3d printed Matte Bronze Steel
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Trapped Outside (hollow) 3d printed Sandstone
Trapped Outside (hollow) 3d printed Sandstone
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Trapped Outside (hollow) 3d printed Polished Metallic Plastic
Trapped Outside (hollow) 3d printed Polished Metallic Plastic
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Trapped Outside (hollow) 3d printed Matte Gold Steel
Trapped Outside (hollow) 3d printed Matte Gold Steel
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Trapped Outside (hollow) 3d printed Polished Gold Steel
Trapped Outside (hollow) 3d printed Polished Gold Steel
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Trapped Outside (hollow) 3d printed Raw Silver
Trapped Outside (hollow) 3d printed Raw Silver
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Trapped Outside (hollow) 3d printed Blue Strong & Flexible Polished
Trapped Outside (hollow) 3d printed Blue Strong & Flexible Polished
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Trapped Outside (hollow) 3d printed
Trapped Outside (hollow) 3d printed
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3d Model Viewer

About this Product

This is a model of Boy's Surface, a one-sided surface with no edges and no pinch points.

This is a modified version of Trapped Outside, without the cut-away track or internal ball. This version has a tiny hole at the three-way intersection point so that Shapeways recognizes the internal space as empty and doesn't charge for it. The hole is so small it will not be printed, and the interior will be filled with support material.

Other versions:

The original design is here: http://www.shapeways.com/model/40473/trapped_outside.html

Without the ball: http://www.shapeways.com/model/237518/trapped_outside__track_.html

Solid: http://www.shapeways.com/model/233703/trapped_outside__solid_.html

Remember to give this model five stars if you like it!

© 2011, Matt Chisholm. All rights reserved.

Dimensions

IN: 0.973 w x 1.515 d x 1.417 h
CM: 2.472 w x 3.848 d x 3.6 h
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@hamishtodd1 Cool, thanks. I re-did the place where the pipes join several times before coming to this version, so I'm glad to hear someone else likes it. :) I'll think about doing a bigger version.
June 28, 2013, 8:01 am
One thing I'll say: I was previously worried about the fact that the "pipes" seem to coalesce in a rather rough way, unlike the wikipedia "boy's surface" article picture where they blend into a triangle. But actually, it's good this way. It gives some suggestion that the "rings" are separate - they aren't, but it's helpful to get your head around the structure by first imagining that they are and then seeing where their surface goes.
June 26, 2013, 2:06 pm
This is great, though would be nice if it was a little bigger
June 26, 2013, 1:49 pm
 
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