Re: [Origami] Does the original direction of a crease really matter?

2015-06-23 Thread Thomas
Jose Jaramilo wrote: Does the original direction of a crease really matter? Models usually require creases to be a certain way in the finished model although some models like tessellations can be reversed. Creases can also be reversed after folding although it weakens the paper. So, I would hav

Re: [Origami] (Brief) Origami sighting

2015-06-23 Thread Robert J. Lang
Thus spake "Kevin Lee" on 6/23/15 9:51 AM: >Numberphile, a math based Youtube channel with ~1.3M subscribers, >recently did an episode on Klein Bottles, with Cliff Stoll.08:22 in, he >reaches to his wall and picks up an origami Klein Bottle >(https://youtu.be/AAsICMPwGPY?t=432) >Apparently it's a

[Origami] (Brief) Origami sighting

2015-06-23 Thread Kevin Lee
Hello Numberphile, a math based Youtube channel with ~1.3M subscribers, recently did an episode on Klein Bottles, with Cliff Stoll.08:22 in, he reaches to his wall and picks up an origami Klein Bottle (https://youtu.be/AAsICMPwGPY?t=432) Apparently it's a design from an exciting new origami desig

[Origami] 3 unit triangular bipyramid

2015-06-23 Thread Michila Caldera
On 22jun15, Gerardo Neorigami wrote: ... At the end you get a 3 unit triangular bipyramid. Do you know this model? Who created it? What's it's real name? Where were the original diagrams published? - I first learned this model, probably around 2005, from a flyer I acquired (don't remember wher

Re: [Origami] Does the original direction of a crease really matter?

2015-06-23 Thread kdiannestephens
So what do people think about this? Is it really so important how the first crease is made or for the sake of precision (and if your not that pressured to finish the model) you can make it the way you find it easier? Precision is not dependent on the absolute crease/edge instead it is dependent

Re: [Origami] 3 unit triangular bipyramid

2015-06-23 Thread Richard Kennedy
On 22/06/2015 23:42, Gerardo @neorigami.com wrote: 5. At the end you get a 3 unit triangular bipyramid. Do you know this model? Who created it? What's it's real name? Where were the original diagrams published? Tom Hull (in his book "Project Origami", Activity 14, p. 139-151) states that the

Re: [Origami] 3 unit triangular bipyramid

2015-06-23 Thread Natale Fietta
Hello, This appear to be my "modular bipyramid", the simplest of my "creative bipyramids" set, the name of the set was chosen because the external layer made in step 1 can be folded into a lot of different decorative patterns, making this unit the base for a lot of easy to find variations. I d