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(Last updated: February 17, 2008)
2005/10/28
Here are flatly foldable diagrams with alternate twisting/counter-twisting round a square in each center, which are different to the diagrams appeared in the preceding article:
________
>> Click each image to see the larger picture <<
denotes that two diagrams are reversible each other.
0
________>> Click each image to see the larger picture <<
denotes that two diagrams are reversible each other.
0
2005/10/28
Here are some flatly foldable diagrams, which are different to those appeared in the previous articles with 90°[π/2 (rad)] twisting/counter-twisting round a square in each center:
________
>> Click each image to see the larger picture <<
denotes that two diagrams are reversible each other.
0
________>> Click each image to see the larger picture <<
denotes that two diagrams are reversible each other. 0
2005/10/22
The alternate twisting pattern that is in reflection to the twisting pattern in the preceding article and variations of bird bases induce the following (flatly foldable) diagrams:
(1_alt_refl.)
(2_alt_refl.)
(3_alt_refl.)
(4_alt_refl.)
(5_alt_refl.)
(6_alt_refl.)
(7_alt_refl.)
(8_alt_refl.)
(9_alt_refl.)
(10_alt_refl.)
>> Click each image to see the larger picture <<
0
(1_alt_refl.)
(2_alt_refl.)
(3_alt_refl.)
(4_alt_refl.)
(5_alt_refl.)
(6_alt_refl.)
(7_alt_refl.)
(8_alt_refl.)
(9_alt_refl.)
(10_alt_refl.)
>> Click each image to see the larger picture <<
0
2005/10/22
The alternate twisting pattern, which has been appeared as one of diagrams in the second case at the previous article: On 90°twisting: diagrams.
There exist ten different (flatly foldable) diagrams of cruciform shapes; each of these is composed of an alternate twisting pattern and a variation of bird bases.
(1_alt)
(2_alt)
(3_alt)
(4_alt)
(5_alt)
(6_alt)
(7_alt)
(8_alt)
(9_alt)
(10_alt)
>> Click each image to see the larger picture <<
0
There exist ten different (flatly foldable) diagrams of cruciform shapes; each of these is composed of an alternate twisting pattern and a variation of bird bases.
(1_alt)
(2_alt)
(3_alt)
(4_alt)
(5_alt)
(6_alt)
(7_alt)
(8_alt)
(9_alt)
(10_alt)
>> Click each image to see the larger picture <<
0
2005/10/21
Foldable arrangements of reversed bird bases combined with 90°[π/2 (rad)] counter-twisting patterns induce the following diagrams, each of which corresponds to its reversed diagram appeared in the previous article: Cruciform shapes: diagrams.
(1_rvsd._refl.)
(2_rvsd._refl.)
270°[3π/2 (rad)]- rotation ↑/ ↓ 90°[π/2 (rad)]- rotation
(3_rvsd._refl.)
270°[3π/2 (rad)]- rotation ↑/ ↓ 90°[π/2 (rad)]- rotation
(4_rvsd._refl.)
(5_rvsd._refl.)
270°[3π/2 (rad)]- rotation ↑/ ↓ 90°[π/2 (rad)]- rotation
(6_rvsd._refl.)
>> Click each image to see the larger picture <<
0
(1_rvsd._refl.)
(2_rvsd._refl.)
270°[3π/2 (rad)]- rotation ↑/ ↓ 90°[π/2 (rad)]- rotation
(3_rvsd._refl.)
270°[3π/2 (rad)]- rotation ↑/ ↓ 90°[π/2 (rad)]- rotation
(4_rvsd._refl.)
(5_rvsd._refl.)
270°[3π/2 (rad)]- rotation ↑/ ↓ 90°[π/2 (rad)]- rotation
(6_rvsd._refl.)
>> Click each image to see the larger picture <<
0
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