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Well, that's weird. My original message said: (...) But you're copy of it said: (...) I wonder how that got mixed up? < shrug > Anyway, back to my original idea. The reason I had suggested 4/3/4 was based on Phillippe's formula of 4/3.5/3.5 -- (...) (21 years ago, 16-Sep-03, to lugnet.build.sculpture, FTX)
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| | Re: icosahedron in soccer-ball style
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John, I really enjoy seeing the creations you come up with. Thank you. Eric Sophie (21 years ago, 16-Sep-03, to lugnet.build.sculpture)
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| | Re: icosahedron in soccer-ball style
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(...) I tried 4/3/3 - but it didn't work. The triangles couldn't connect to form the pentagon. The other problem is since I'm using the 1x4 hinge plates, if you go shorter than four studs on a side of the triangle you have to come up with a (...) (21 years ago, 16-Sep-03, to lugnet.build.sculpture, FTX)
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| | Re: Christmas Contest Revision & Lifesize LEGO Nativity Scene
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Question about entry into this contest: (also e-mailed to info@shrinecontest.com <info@shrinecontest.com> ) Do both your electronic registration and photo/entry form/description registration need to be received by the 15th to be considered for the (...) (21 years ago, 16-Sep-03, to lugnet.build, lugnet.build.ancient, lugnet.build.contests, lugnet.build.sculpture, lugnet.general)
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| | Re: icosahedron in soccer-ball style
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(...) I don't have the parts to try this out, so my suggestion may be highly disposable. How about making each black triangle a 4/3/4? By this I mean: each black/white join would be 4/4, and each black/black join would be 4/3. The pentagon wouldn't (...) (21 years ago, 16-Sep-03, to lugnet.build.sculpture, FTX)
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| | Re: icosahedron in soccer-ball style
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(...) Well... I tried to build a pentagon (using solid 2x5 structures in the middle) and I was not able to close it (too much tension). Perhaps with the bar and holes it would work ? Philo (21 years ago, 15-Sep-03, to lugnet.build.sculpture, FTX)
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| | Re: icosahedron in soccer-ball style
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(...) Originally I thought of using 2x1 plates with one stud to get a 1/2 stud value, but your 6/5/5 idea is probably (much) better. The precise value is 6/5.1/5.1 so here the pentagons will be taut and flat. There is probably enough slack in the (...) (21 years ago, 15-Sep-03, to lugnet.build.sculpture, FTX)
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| | Re: icosahedron in soccer-ball style
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(...) Thanks! I was very surprised at the strength of Steve's method of joining the triangles. If you're making something *really* large, you might have to brace each triangle with a second set of hinges on the corners. Don't know how well it shows (...) (21 years ago, 15-Sep-03, to lugnet.build.sculpture, FTX)
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| | Re: icosahedron in soccer-ball style
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(...) Yup, I realize that now. Holding the big ball in your hands can really make those ideas clear! The problem is, how to do it within the limits of the "Lego System"? I want to experiment with other triangle sizes, and see what happens and what (...) (21 years ago, 15-Sep-03, to lugnet.build.sculpture, FTX)
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| | Re: icosahedron in soccer-ball style
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Hi John, (...) Sure I do ! You say in (URL) text> "But for some reason I didn't realize that the flat faces of the pentagons would line up with the ajoining hexagon" Actually the problem is that triangle in the pentagons should not be equilateral. (...) (21 years ago, 15-Sep-03, to lugnet.build.sculpture, FTX)
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