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An origami square twist tessellation I made up. made out of blue copy paper. Not sure if it has already been done though.
Four Interlocking Hexagonal Stars + Four Interlocking Hyperboloidal Nonagonal Stars 60 units 3-fold vertex view.
Was anyone else expecting this? :) The natural conclusion is that since an octahedral model with heptagonal faces is possible, a tetrahedral model should be possible as well. However, this model was much for interesting for me to assemble. While the "dodecahedral" and "octahedral buckyballs with heptagonal faces are commonly known to geometry, I have never since this tetrahedral version anywhere. I folded it strictly from speculation. The nonagonal stars here are extremely hyperboloidal, and thus the crimp angles vary around each polygon. (ideally the pocket angles should vary as well, but that would have been too much work) Unlike the octahedral model, the frames on this model are each assigned only one color, to make this more readily understandable.
Designed by me.
Folded out of memo paper.
garden beds showcasing garden design ideas, lining the interlocking path to the front of the home
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An interlocking walkway design from the driveway to the front door.
Check out Rainbow Landscaping's Services on our Website at rainbowlandscaping.com
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Interlocking flanged hose tail & ferrule. This type of tail is used on working pressures of 10 bar & above, especially on large bore, where the integrity of the assembly is paramount.
Here is an interlocking tower I am building as a switchyard communication Dispatch tower.
It is a Walthers HO kit, that I accessorized with Faller grass mat & sat dish, the TV antenna is from Gold Medal Models, with added cut PE material for the boosters. The base is hardboard with a cereal box cardboard layer for the parking lot, & a 1/32" x 3/32" basswood shoulder for the curbing detail.
I will eventually wire the roof accessories, & hopefully add an interior & glass sometime soon. I have really become to like the color of 'Depot Buff' I think it really makes this structure look nice, it's working for me.
A couple of custom Kato's, some Busch & Wiking auto's complete the scene. Yes, that is the 'Possum Van' perhaps Red is fixing the lawn mower..?..?.??
The Giant's Causeway (known as Clochán an Aifir or Clochán na bhFomhórach in Irish and tha Giant's Causey in Ulster-Scots) is an area of about 40,000 interlocking basalt columns, the result of an ancient volcanic eruption.
It is located in County Antrim on the northeast coast of Northern Ireland, about three miles (4.8 km) northeast of the town of Bushmills.
It was declared a World Heritage Site by UNESCO in 1986, and a national nature reserve in 1987 by the Department of the Environment for Northern Ireland.
The tops of the columns form stepping stones that lead from the cliff foot and disappear under the sea. Most of the columns are hexagonal, although there are also some with four, five, seven or eight sides. The tallest are about 12 metres (39 ft) high, and the solidified lava in the cliffs is 28 metres (92 ft) thick in places.
Much of the Giant's Causeway and Causeway Coast World Heritage Site is today owned and managed by the National Trust and it is one of the most popular tourist attractions in Northern Ireland.
Around 50 to 60 million years ago, during the Paleogene Period, Antrim was subject to intense volcanic activity, when highly fluid molten basalt intruded through chalk beds to form an extensive lava plateau. As the lava cooled, contraction occurred. Horizontal contraction fractured in a similar way to drying mud, with the cracks propagating down as the mass cooled, leaving pillar-like structures, which are also fractured horizontally into "biscuits". In many cases the horizontal fracture has resulted in a bottom face that is convex while the upper face of the lower segment is concave, producing what are called "ball and socket" joints. The size of the columns is primarily determined by the speed at which lava from a volcanic eruption cools.
The extensive fracture network produced the distinctive columns seen today. The basalts were originally part of a great volcanic plateau called the Thulean Plateau which formed during the Paleogene.
According to legend, the columns are the remains of a causeway built by a giant.
The story goes that the Irish giant Fionn mac Cumhaill (Finn MacCool), from the Fenian Cycle of Gaelic mythology, was challenged to a fight by the Scottish giant Benandonner. Fionn accepted the challenge and built the causeway across the North Channel so that the two giants could meet. In one version of the story, Fionn defeats Benandonner. In another, Fionn hides from Benandonner when he realises that his foe is much bigger than he. Fionn's wife, Oonagh, disguises Fionn as a baby and tucks him in a cradle. When Benandonner sees the size of the 'baby', he reckons that its father, Fionn, must be a giant among giants. He flees back to Scotland in fright, destroying the causeway behind him so that Fionn could not follow.
Across the sea, there are identical basalt columns (a part of the same ancient lava flow) at Fingal's Cave on the Scottish isle of Staffa, and it is possible that the story was influenced by this.
Two rings- the outer copper, the inner brass, that slide apart. Inspired by the old locks I saw while in Italy.