[Origami] Origami is proven to be even harder than we thought!

We already knew that origami was hard (in the NP-complete sense), but Tom Hull and Inna Zakharevich have shown that it’s even harder: “Turing complete,” meaning that for any tractable computational problem, one can construct a crease pattern whose solution would solve the problem. A nice

Re: [Origami] Pirated copy of Origami Design Secrets by Robert J. Lang

copy of Origami Design Secrets by RJL >> thru the link “Report incorrect product information” >> >> https://www.amazon.com/Complete-Origami-Robert-step-step-ebook/dp/B0BRYK2M11/ref=sr_1_17?crid=KOH2PN0L4ORM=robert+lang+origami=1700941822=robert+lang+origami%2Caps%2C214=8-17 >>

[Origami] Origami and tech on "Tech for Good" on CNN International

Toot (I think). I did some interviewing for a CNN International show called “Tech for Good”, which will air in the next few days at these times: ​Saturday 11/25/23 1230am PST (GMT -08:00) 12pm PST (GMT -08:00) 8pm PST (GMT -08:00) Sunday 11/26/23 4am PST (GMT -08:00) I haven’t seen it, so

Re: [Origami] Box-pleating

> On Nov 15, 2023, at 7:59 AM, David Mitchell via Origami > wrote: > > Under the subject 'Folding Legend and Joisel Award - Join our free event', > Ilan Garibi wrote: > > 'Neal Elias can be considered the creator of the modern box-pleating > technique' > > I think this assertion is worth

Re: [Origami] Origami Paper online

On Sep 18, 2023, at 5:28 PM, Mary E. Palmeri via Origami mailto:origami@lists.digitalorigami.com>> wrote: > > I'm looking to buy origami papers online, but Not from Amazon.I'd rather > do business with independent retailers if possible, and I'm looking > specifically for interesting

Re: [Origami] PCOC past conventions

> On Jul 10, 2023, at 9:17 AM, Lorenzo via Origami > mailto:origami@lists.digitalorigami.com>> > wrote: > > Dear Origamists, > > I'm looking for details about Origami Collections from the past PCOC > Conventions. > From the OUSA Website (https://origamiusa.org/conventions >

Re: [Origami] Researchers Tap Origami as Basis for Reconfigurable Antenna Design

Yes, it’s a Waterbomb tessellation with squares grafted in (then the antenna elements sit on the squares). In the figure, figures b and c show where the squares are grafted in. Then we can get a more efficient packing by using the staggered arrangement shown in figures e and f. In that

[Origami] Blind-accessible/telephone origami (was: How to fold an Origami Crane according to Chat GPT)

So cool to see the resources available to blind folders! Back in the day, verbal-only instructions were called “telephone origami” because they could be taught over the phone. (For the younglings out there, a “telephone” was sort of like an iPhone, except it had two parts connected by a curly

[Origami] Quasi-toot: Airgami mask in Scientific American

Nice article about the BARDA mask challenge, featuring the Airgami mask (and some other, non-origami masks) in Scientific American: https://www.scientificamerican.com/article/better-face-masks-are-possible-here-are-some-winning-designs/

Re: [Origami] The Webb telescope has "origami" in its structure

> On Dec 21, 2021, at 10:57 AM, Laura R wrote: > >> My question was removed from the original message, so I repeat it here: > > Is the Webb telescope connected in any way with the Eyeglass telescope that > Robert Lang helped develop at the turn of the century? >

Re: [Origami] The Webb telescope has "origami" in its structure

> On Dec 21, 2021, at 8:06 AM, Larry Finch wrote: > On Tue, Dec 21, 2021 at 8:40 AM Laura R > wrote: > NASA is preparing to launch the Webb telescope out to space. It will let us > know how all started: >

Re: [Origami] George Rhoads

> On Aug 2, 2021, at 6:40 PM, Andrew Hans wrote: > > Just saw this a day ago. George Rhoads, who did origami in the 60's (to my > knowledge) and did some cool dollar origami as well has passed away. > > Apparently he was also a sculptor of machines where balls would roll and drop > through

Re: [Origami] water bomb tessellation - Fujimoto discovery?

> On Jul 20, 2021, at 11:52 PM, Matthew Gardiner wrote: > > I’ve been looking for this for some time, but have not found it. > > I’d heard a rumour once that the waterbomb tessellation was discovered in the > ‘60s by Fujimoto. There’s not a lot of his publications around, there’s a > few,

[Origami] Toot: Five Levels of Origami

Hi all, Way back in the days pre-COVID, I participated in a couple of videos for Wired Magazine. One of them (“11 levels of cicada”) came out a while back. The other, “5 Levels of Origami” just came out. In this one, I explain 5 aspects of origami to people ranging from child to expert. (Some

Re: [Origami] Coc: Role of OUSA Board

On May 18, 2021, at 8:32 AM, Galen Pickett wrote: > > OUSA has an elected board, accepts monetary payments, and is nonprofit (I > hope). And there is a convention subcommittee… > I have no guidance on what the content of CoC should be, but are not all the > options and issues clear for an

Re: [Origami] Origami air-filtering mask

On Nov 28, 2020, at 9:05 AM, Laura R wrote: > > Interesting. Does it make a real difference the size of the mask? Based on > the picture, I measured 4,5” from nose bridge to under chin (my horizontal > axis is also off chart). While I’m surprised to find that I have such a large > head (maybe

[Origami] Origami air-filtering mask

For a couple of years, I’ve been advising a small company on an origami mask design, and they’re finally ready to start selling. Here it is: https://www.airgami.life The mask has N95 performance (see what that means here: https://www.airgami.life/products/white) and

Re: [Origami] Old website project about listing what different creators allowed?

in. > > You are not imagining this project. It was an OrigamiUSA project headed by > Robert Lang. I volunteered for this project as did a couple of other people. > It was supposed to be a site teachers could use to see if origami creators > gave permission to teach their models

[Origami] Origami Lamp (toot)

Some years ago, I designed an origami lamp based on a curved fold (“Elliptic Infinity”) that came out of work I was doing with the good folks at BYU. I put together a homemade prototype using some laser-cut plastic and stick-on LED tape, which I’ve showed at some origami conventions. Somewhat

[Origami] Tomoko Fuse's ORITERASU

Tomoko Fuse has put together an exhibition in collaboration with lighting designer Masahiko Aso. It’s stunning: https://cheerforart.jp/detail/4311. Robert

Re: [Origami] Is there a justification for crease lines not contacting the edges?

Thus spake "Origami on behalf of Jorge E. Jaramillo" mailto:origami-boun...@lists.digitalorigami.com> on behalf of odrau...@gmail.com> on 8/29/20, 5:33 PM: Hi, In Robert Lang's article about diagramming conventions that can be read at his webpage

Re: [Origami] Folding the Universe copy being given away

Thus spake "Robert Lang" mailto:rob...@langorigami.com>> on 8/21/20, 6:22 PM: Hi, I have an acquaintance who is willing to send his copy of Engel’s “Folding the Universe” to a good home. If anyone is interested, please email directly to . Wow, that was fast. The book is now

[Origami] Folding the Universe copy being given away

Hi, I have an acquaintance who is willing to send his copy of Engel’s “Folding the Universe” to a good home. If anyone is interested, please email directly to Mike Morton, mrmachinet...@gmail.com. Robert

Re: [Origami] Summary of an origami challenge in Bogota

Thus spake "Origami on behalf of Gerardo @neorigami.com" mailto:origami-boun...@lists.digitalorigami.com> on behalf of gera...@neorigami.com> on 6/17/20, 12:48 PM: I also participated in the challenge. You actually helped me choose one of the photographs/folds

Re: [Origami] Too many online activities? Should I wait a bit for mine?

Thus spake "Origami on behalf of Gerardo @neorigami.com" on 4/23/20, 12:10 PM: Now, I was thinking... there are a lot of origami activities online these days. Some through Zoom, but some others through Facebook Live and Instagram Live. I wonder if it'll be the same–say–in June or if

Re: [Origami] Can I please offer my conference/workshop using your Zoom subscription?

Thus spake "Origami on behalf of doug z" on 4/22/20, 8:31 AM: Are *all* events posted in the origamiusa.org/calendar public, for anyone to join? I found one for today that does not explicitly say it is public. May I assume that if they are posted at that location

Re: [Origami] Can I please offer my conference/workshop using your Zoom subscription?

Thus spake "Origami on behalf of Gerardo @neorigami.com" on 4/22/20, 7:23 AM: I've been delighted with how everyone everywhere is proposing activities through the web in order to make this quarantine easier : ) I want to offer something as well. A couple of years ago I developed a

Re: [Origami] Please help me choose one picture for a collective activity

Thus spake "Origami on behalf of Gerardo @neorigami.com" on 4/5/20, 3:28 PM: Can you please help me choose one of the following three pictures of folds for a photograph collective activity? I must only choose one and I really can't make up my mind! I liked "Landscape." It captures

[Origami] Online Origami Meetings

Hi all, During this time of world-wide shut-in and “social-distancing,” many community origami groups have turned to virtual meetings, using videoconferencing platforms like Zoom, Google Hangouts Meet, etc. Many of those groups are also more than happy to open their meetings to anyone who

[Origami] Flashers in space: Starshade video

My colleagues at JPL continue to make progress on the Starshade, a component of a space telescope designed to image planets around other stars. Here’s a video of the central disk unfolding. Origami folk might recognize a wee bit of folding (or rather, unfolding) going on.

Re: [Origami] Engineering Origami video

Thus spake "Origami on behalf of Andrew Hans" on 10/4/19, 10:15 PM: An interesting video on engineering origami featuring Robert Lang from the Veritasium you tube channel https://m.youtube.com/watch?v=ThwuT3_AG6w That was a nice surprise to see posted. (I knew it was i

Re: [Origami] Are there exceptions to Maekawa's theorem?

Thus spake "Origami on behalf of Jorge E. Jaramillo" on 7/28/19, 3:35 PM: I think I remember having read somewhere that Maekawa's theorem about the flat foldability of the creases at a vertex having a difference of +-2 between mountains and valleys has exceptions but I've never

Re: [Origami] Paperfolding in Mad Magazine / Cerceda’s Peacock

Thus spake "Origami on behalf of F DAVID" on 6/19/19, 2:15 PM: In my reply to David Mitchell’s post, I said that the peacock pictured with a fanned tail is by Adolfo Cerceda. Laura Rosenberg replied:“Yes, that is correct.Year of creation 1975.” However, my late father

Re: [Origami] origami patent includes water bomb pattern

Thus spake "Origami on behalf of Matthew Gardiner" on 2/13/19, 10:07 PM: Can anyone shed some light on this? How can write a patent including the a plain waterbomb pattern with no publication citations? Actually, there are citations of both publications and patents. But they're

[Origami] Toot: Chinese edition

Travel Channel China visited my studio for one of their episodes. You can see it here (needs Adobe Flash): http://tc.hnntv.cn/ly/ydyzdy/ydyzdy2016/28917627.shtml The origami shows up at about 18:00. Enjoy! Robert

Re: [Origami] Charging private lessons for a family?

Thus spake "Origami on behalf of Gerardo @neorigami.com" on 1/13/19, 11:31 AM: Anyway, have any of you given and charged for private origami lessons? I ask because there's this person that's interested in group private lessons for all her nephews and nieces. I'm not sure about how

Re: [Origami] Origami canoe out of corrugated plastic?

Thus spake "Origami on behalf of Kenneth Lee" on 1/4/19, 5:01 PM: Hi, Was wondering if anyone here tried designing/folding a canoe/boat out of large sheets of corrugated plastic? I haven't, but these folks have: https://www.orukayak.com

[Origami] OrigamiUSA's listing of origami groups

Hi all, You may or may not know that OrigamiUSA maintains listings of local and international origami groups on their website, here: https://origamiusa.org/groups I get lots of contacts from people seeking other folders, and I almost always refer them to these lists, because there’s

[Origami] 7OSME in The Economist

The Christmas issue of The Economist has a nice article about 7OSME. Toot disclosure: I get some mentions. Enjoy! https://www.economist.com/christmas-specials/2018/12/18/origami-spreads-its-wings Robert

Re: [Origami] The creator of the Water Bomb Tessellation

Thus spake "Origami on behalf of Ilan Garibi" on 11/27/18, 11:51 PM: Hi, I plan to include the Water Bomb tessellation in my coming book, as part of a family of models it suits perfectly inside. I wonder if anyone knows who is the author of this tessellation? Thank you!

[Origami] "Into the Fold: the Art and Science of Origami" at the Science Museum of Oklahoma

Hi all, This past weekend I spent some time at the Science Museum of Oklahoma’s exhibition, “Into the Fold: the Art and Science of Origami.” It continues the recent string of very high-quality origami art exhibitions, featuring many artists from around the world (Paul Jackson, Miri Golan,

Re: [Origami] math to study origami

Thus spake "Origami on behalf of Matthew Gardiner" on 9/12/18, 4:58 AM: My question is, ..., and could anyone give me some keywords or hints for the type of math I should be looking at? There is some discussion of recommended math courses here:

Re: [Origami] Animated Origami on Ad

Thus spake "Origami on behalf of Lauri Zaker" on 9/1/18, 4:07 PM: Look up Voya Financial and they have a few ads with talking animated origami squirrels.. Behind the scenes: https://www.youtube.com/watch?v=bjv8w4TR26U Something about the real, non-CGI (but poorly

Re: [Origami] Your opinion on flapping bird diagrams is highly appreciated!

Thus spake "Origami on behalf of Leyla Torres" on 8/21/18, 8:35 AM: Question 2- Assuming that the folding symbols are clear for a beginner, would you say that text clarifications are or are not necessary on each step? Why? I would say they should be included. The reason is

[Origami] Go-live: Langorigami.com 5.0

Hi all, I’ve had a website since 2004 and every few years the urge to redo it proves overwhelming. Last year, I engaged a company to help redesign the then-current incarnation (whose deficiencies were glaring, at least to me), and after many months of iteration and a bunch of work on both our

Re: [Origami] Recommended source for publishing or posting a humanities essay about origami?

Thus spake "Origami on behalf of Gerardo @neorigami.com" on 5/18/18, 10:12 AM: I have an academic essay about origami, it's somewhere between philosophy of language and art studies. It's 15 pages long,

Re: [Origami] Origami Sighting - Lexus Comercial

Thus spake "Origami on behalf of Meenakshi Mukerji" on 3/19/18, 4:19 PM: ...The Sonobe type onstructions in no way satisfy the criteria for a stellated solid (https://en.wikipedia.org/wiki/Stellation). But

[Origami] 7OSME abstract extension until December 22

Hi all, Although we’ve received an enormous number of submissions for 7OSME (http://osme.info/7osme ), we also received several inquiries in recent weeks about extending the deadline. Consequently, the technical team has extended the deadline until December 22, 2017. If you would like to

[Origami] Origami6 on Kindle (was: Langorigami.com 4.0)

Thus spake "Hans Dybkjær" <h...@papirfoldning.dk> on 3/9/16 10:16 PM: >On 10 Mar 2016, at 00:45, Robert Lang <rob...@langorigami.com> wrote: >> >> Well, it's now ready to go, so I invite you all to check it out! >> >> http://langorigami.com &

[Origami] Langorigami.com 4.0

Hi all, My website, langorigami.com, has gone through several iterations since its first incarnation in 2004. Over the last six months, I've been rebuilding it from scratch to make it (a) mobile-friendly, (b) easier to edit/add to, (c) have more and bigger photos, (d) have better cross-linking

[Origami] Quasi-toot: BYU and origami-inspired micro-medical devices

My collaborators at BYU have been making some pretty cool origami-inspired medical devices for micro-surgery: https://news.byu.edu/news/tiny-origami-inspired-devices-opening-new-possibil ities-minimally-invasive-surgery You'll see a few familiar faces, and some neat devices. Enjoy! Robert

Re: [Origami] crease pattern data structure

Apologies in advance for geeking out here. (But it's still origami-related!). Comments below. Thus spake "Hans Dybkjær" <h...@papirfoldning.dk> on 2/13/16 10:52 PM: >On 14 Feb 2016, at 02:12, Robert Lang <rob...@langorigami.com> wrote: >> >> -- a Cre

Re: [Origami] crease pattern data structure

Thus spake "Robby" on 2/13/16 2:29 PM: >Hello all, > >a problem I'm trying to solve: what data structure to use to represent an >origami crease pattern in code > >Graph - where I initially landed, but I can't seem to find a kind of graph >that depends on the vertices having