[Oa] Patterns (schemes) of 180-degree pop-up models

[Alisher]

> I think Alisher is talking about the type of OA models that open to
> 180-degrees.
That's right. 

> Basically, there are 4 types of OA models:
> 90-degree open models, like this:
> http://www.origamicarchitecture.com/gallery/displaypic.html?imgid=20020317010
> .... multi-piece 180-degree open models, like this:
> http://www.origamicarchitecture.com/gallery/displaypic.html?imgid=20020317012
> .... single-piece 180-degree open models, like this:
> http://www.origamicarchitecture.com/gallery/displaypic.html?imgid=20021215002
> ... and 360-degree open models, which are uncommon enough that I don't
> have any pictures up of that style.  Anyone else have or know of a
> picture of one of these online somewhere?
http://www.neo-di.com/KAI/360/360.html
http://members.aol.com/kihara666/360degreeEN.htm
Moreover, there are 0-degree OA models. Yes, I know it's moot question. 

P.S. Concerning me, I almost always try to make interesting models from
photos (without patterns). I think, it's good practice for my brain. 


-- 
Alisher