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, 紫陽花, Hydrangea,
, 茶の湯, Tea Ceremony,
, 明月院, MEIGETSU-IN Temple, 北鎌倉,
, #Hydrangea #iris #kamakura
. NIKON D700 with TAMRON AF28-300mm F/3.5-6.3 XR Di LD
July 11, 2020
Our "late" summer hydrangeas are coming in now, and the early summer ones are still in bloom. The number of blooms and color is incredible this year. I guess nature put it all together just right this Spring!
Brewster, Massachusetts
Cape Cod - USA
Photo by brucetopher
© Bruce Christopher 2020
All Rights Reserved
...always learning - critiques welcome.
Tools: Canon 7D & iPhone 11.
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A few people have asked me over time how to fold the Hydrangea Cube or Hydrangea Icosahedron, so I decided to prepare instructions.
Hydrangea, designed by Shuzo Fujimoto, is a popular origami tessellation whose molecule can be tiled or folded as a standalone model. After slight modification, it can also be used as a modular origami unit for folding cubes, icosahedra and other models.
The idea of making a modular out of modified Hydrangeas came from Meenakshi Mukerji in 2008. Simplified instructions were published in her Exquisite Modular Origami II in 2015. I came upon the same idea independently in 2015, and on flickr I was later able to find pictures of the same design from 2011, made by Anna Alekseeva and (with minor differences) by origami00023, who seem to have also come up with this idea independently.
The unit has two flaps and two pockets in the same arrangement as in Sonobe unit. It is equivalent to Sonobe in that anything that can be made with Sonobe units can also be made with Modular Hydrangea Units, e.g. the icosahedron shown to the right. The connection between units is quite strong and finished models are rather sturdy.
Do notice that folding a Hydrangea, even with just a few levels, is much more time-consuming than folding even the most complex Sonobe variant. You need just six Hydrangeas for the cube but thirty for the icosahedron.
This tutorial assumes that you know how to fold a single Hydrangea. You can find a diagram at
www.nickrobinson.info/clients/smithy/hydrangea_john_smith... and a video tutorial at
www.happyfolding.com/instructions-fujimoto-hydrangea
Shuzo Fujimoto’s own instructions can be found in his Folding Origami Hydrangea (おりがみ あじさい折り).
Hydrangea is a genus of 70–75 species of flowering plants native to southern and eastern Asia and the Americas. By far the greatest species diversity is in eastern Asia, notably China, Japan, and Korea.
With immense flower heads, hydrangeas flaunt an old-fashioned charm that is hard to resist. Colors also beguile with clear blues, vibrant pinks, frosty whites, lavender, and rose—sometimes all blooming on the same plant!
The colors of some hydrangeas—especially mophead and lacecap—can change color based on the soil pH, which affects relative availability of aluminum ions. Acidic soils with a pH of less than 5.5 produce blue flowers; soils with a pH greater than 5.5 product pink flowers. White flowers are not affected by pH.
Unrivaled in the shrub world, these elegant ladies are easy to cultivate, tolerate almost any soil, and produce flowers in mid-summer through fall (when little else may be in bloom). Hydrangeas are excellent for a range of garden sites from group plantings to shrub borders to containers.
There are two flower arrangements in hydrangeas with Corymb style inflorescens, which includes the commonly grown Bigleaf hydrangea - Hydrangea macrophylla. Mophead flowers are large round flowerheads resembling pom-poms or, as the name implies, the head of a mop. In contrast, lacecap flowers bear round, flat flowerheads with a center core of subdued, small flowers surrounded by outer rings of larger flowers having showy sepals or tepals. The flowers of some rhododendrons and viburnums can appear, at first glance, similar to those of some hydrangeas.
From Wikipedia, the free encyclopedia
Thanks to all who take the time to visit and comment on my photo stream....it's greatly appreciated. Also for all of the invitations to join or post my photos into groups
After I made a Hydrangea Cube, Hydrangea Icosahedron was the next logical step. Just as in the cube, the Hydrangea Tessellation by Shuzo Fujimoto is used as a modular unit. The method of modifying and connecting individual elements was first published by Meenakshi Mukerji but at a later time I came up with the same design independently.
The modified tessellation unit has properties very similar to the Sonobe unit so other, larger assemblies that can be made with Sonobe units can be made with Hydrangeas as well.
This is the head-on view, with pentagonal symmetry of the spiked icosahedron visible.
There are alo other views of this model available:
- backlit view of partial model
- close-up