Special Guest at the First OGE Weekend
OGE Origami Weekend 2025 banner, by Origami Groep Eindhoven It is my pleasure to invite you to OGE Weekend, the f...
In contrast to model descriptions, blog posts may be longer pieces of text about various subjects related to origami, pictures from origami conventions, information about my workshops, etc. There are currently 193 posts on this page. You can filter posts by their category:
OGE Origami Weekend 2025 banner, by Origami Groep Eindhoven It is my pleasure to invite you to OGE Weekend, the f...
Shuzo Fujimoto in front of his home in Sasayama, Japan, with (left to right) Seiji Nishikawa and Koichi Tateishi. Pictu...
This summer, I visited the Fort at Srebrna Góra, a huge mountain keep from the 18th century. Besides various exhibitions abou...
Me and Natalia Guzowska in front of Halina Rościszewska’s exhibition. Picture by Alicja Mazur. ...
Me at CenterFold 2024, holding my Geometric Vase. Image by Kay Eng. My mode...
I used paper used as a tray in sliced cheese packaging to fold a traditional paper boat. See model description for some detai...
When I posted the tissues with an origami-themed package back in February, Jannie van Schuylenburg messaged me saying she ha...
Picture from 10th CDO origami convention in Verona, 1988. Left to right: Fumiaki Fujita, Eiki Momotani, Tomoko Fuse, Er...
Me, holding a partially precreased sheet for folding Shamrock Tessellaton 1.1 It is my pleasure to let you know t...
My origami model display at PTO (Polish Origami Association) convention in Konin, 2024 Last weekend (July 19th-21...
Centerfold 2024 banner, by Ohio Paperfolders I’m happy to invite you to CenterFold 2024, where I will be one of t...
Hands holding Shuzo Fujimoto’s Hydrangea Since some folders have recently been asking me how to get permission to...
Books by Meenakshi Mukerji and Spiked Rhombicosidodecahedron from SSIT module designed by her I never met Meenaks...
When I received a wax wrapper (Polish: woskowijka), I decided to give a try folding it. Wax wrappers are sheets of fabric soa...
Discussion panel about preserving the legacy of origami creators at CfC. Left to right: Bodo Haag, Mitya Miller, Michał...
FoldFest 2024 banner, ©OrigamiUSA On Saturday, April 27, 2024, I will be speaking about Artificial Intelligence i...
Recently, I was contacted by Fuhyi Kuo, a conservator also interested in origami. She had learned from someone who attended t...
In early 2023, I presented my idea for a roadmap of using AI in origami, so I thought I’d revisit the topic briefly now and s...
During a visit to Polin (Museum of the History of Polish Jews) this fall, I noticed the section dedicated to kids’ toys also presented some paperfolding. The...
Adding to my collection of random items with origami motif is this package of tissues featuring a traditional paper boat.
Workshop poster (by Origami Groep Eindhoven): Translucent Design, CFW 58, designed by Shuzo Fujimoto, taught by me ...
Shuzo Fujimoto (sitting) with editors of his books for Project F, standing from left to right: Taiko Niwa, Satoko Saito...
I’m looking for help with understanding the above fragment from Shuzo Fujimoto’s Twist Origami 1 book, page 8. You can view the complete page and the complet...
Here, you can see a comparison of a teflon bone folder I’ve been using for seven years at the time the picture was taken, and an identical new one. Of all th...
Each year at Allegro, where I work, we organize an internal IT conference called ATM (Allegro Tech Meeting). Apart from lots of interesting presentations, th...
Fabric sample before folding Folded traditional crane One non-standar...
Example sheets of Nicolas Terry Tissue Foil in various colors. The two red squares are front and back side of same shee...
A while ago I published a post on cutting two hexagons from the rectangle left over after cutting a square from an A4 sheet. For some strange reason, in that...
Groom and Bride compared to Box with Woven Triangles XVIII I recently realized that without planning it that way,...
On July 13th-16th, I attended the origami convention of Polish Origami Association (Polskie Towarzystwo Origami, PTO) in Łódź...
A sample of models designed and folded by Shuzo Fujimoto I received from Roberto Morassi I only mentioned them in...
Leftovers of a graffiti with origami cranes in Kraków’s Zabłocie district This year’s Plener Origami (Outdoor Ori...
Elephant, Chameleon, and Butterfly designed and folded by Artur Biernacki; arrangement and photograph mine Artur ...
As special guest of this year’s German Origami Convention, I was interviewed for German Origami Society’s magazine, Der Falte...
Among the many attractions of the 2023 meeting of German Origami Society was the possibility to enjoy, once again after a thr...
German Origami Convention 2023 in Erkner near Berlin was the first origami event I’ve attended live since three years. It was...
Less than two weeks are left till the German Origami Convention, so I spent the last evening folding some larger-than-usual m...
My workshops at Plener Origami (Outdoor Origami Meeting) 2023; graphic design by Natalia Guzowska What a year! I’...
The good thing about serious problems is they don’t go away easily, and you can keep writing about them for a long time. This...
A few years ago, I bought the pictured object, which is in the shape of an origami elephant, and have been using it as a pape...
While dollar bill folding is relatively popular, other currencies are used for folding to a lesser extent. This has probably ...
In late 2016, I folded a traditional crane from an RFID chip identical to the one on which th...
Question Mark (Michał Kosmulski) Are there any models of mine you would particularly enjoy folding in a workshop?...
In this article, I present a roadmap for applying AI to the field of origami. Starting from what is possible today, I suggest how existing building blocks co...
Origami Deutschland Jahrestreffen 2023 banner. Images: Christine Blasek, Leyla Torres, Michał Kosmulski, Design: blau D...
Everyone and their dog are posting about ChatGPT, the newest AI language model by OpenAI, so I decided to check some origami-related prompts. While I am impr...
This year, Origami USA chose Ladybug 1.1 (designed by me and modified by Sara Adams) for thei...
Shuzo Fujimoto teaching at the Italian Origami Convention on 1988-11-01. Image from NOA magazine 166 (1989), received c...
Shuzo Fujimoto’s five self-published books: Solid Origami, Invitation to Creative Playing with Origami, and Twist Origa...
Shuzo Fujimoto online event banner, images by Ilan Garibi, Michał Kosmulski and Robert Lang On Saturday, October ...
Me, precreasing Ridges Corrugation (32×32) in early 2018 I’ve been doing lots of origami lately, but very little ...
Shuzo Fujimoto at an origami event for kids on 1990-10-20. Image courtesy of Hitoshi Fujimoto. Today, July 28th, ...
For some time now, I have been thinking of origami tessellations as a kind of bas-relief, executed in a very particular way. This led me to the idea of combi...
Comparison of Oripa with 1x and 2x scaling When Oripa is run on a 4k / HiDPI screen, all GUI elements may appear ...
Not very good, but it fails in interesting ways.
Orifold Creasing Together 2022 poster (by Origami Oritai) This Saturday, June 11th 2022, I will be teaching my So...
Looking at Fujimoto’s Daffodil I recently posted, you may have noticed that I added “CFW 100” to the model’s name. CFW stands...
Shuzo Fujimoto at a table, with some models, in 2006 (image courtesy of Robert Lang) In an earlier post, I mentio...
In Part II of the series, I explore classification of origami models with regard to the number of sheets, and find out there is more to it than just single-s...
OBB Competition banner (artwork by Boice Wong) It is my pleasure to let you know that I will be one of the judges...
Shuzo Fujimoto in 2006 (image courtesy of Robert Lang) 2022 will mark the 100th anniversary of Shuzo Fujimoto’s b...
On February 9th, 2022, I had the pleasure of teaching my Two Hearts model at a Valentine’s Day special origazoom meeting orga...
Rex Sadoch Thermoplast (carta rivesto) paper Rhombi Rows Tessellation, fron...
In this blog post, the first in a planned series, I analyze some common approaches to origami classification, point out their weaknesses, and outline what a ...
GOC1 workshop poster, by GOC1 organizers, based on image provided by me Next Saturday, January 29th, 2022 at 19:0...
Blazing Propellers workshop poster, by Origami Indonesia, with pictures provided by me ...
Christmas Special workshop poster, by Origami Groep Eindhoven, with pictures provided by me On December 19th, 202...
Whirlwind Box, folded from full grid Whirlwind Box, folded without the grid...
Shifted Bricks Me, with Shifted Bricks model — promotional material for the...
This review of Grainy Paper is based on my folding of two models so far, Doom and Shifted Bri...
Paper is made from plant fibers. When hand-made paper is laid using a sieve, a single sheet is produced at a time. Manual movements of the sieve cause the fi...
I experienced a eureka moment when editing a series of pictur...
Yesterday (2021-10-09), I gave a workshop during the Online Origamitag organized by Origami Deutschland. For a change, this t...
Last Saturday (September 18th, 2021), I had the pleasure of giving a workshop for Lehigh Valley Origami Enthusiasts (LVOE) gr...
After a lot of work, I finally managed to migrate all my models ever published online to a single place. You can now enjoy bo...
In this blogpost I suggest new terms useful for the discussion of origami model naming, and present naming conventions from different artists, including myse...
Nanocząstki i nanotechnologie, czyli stary towar w nowym opakowaniu, Marek Kosmulski, 2021 Niedawno ukazał się po...
OrigamiUSA space withing Gather, recreating the physical location in which the convention usually took place Duri...
I’ll be attending the online OrigamiUSA Convention 2021 on June 25th–29th and teaching one of my models, Lucky Star Box (Simp...
Workshop poster, by Origami Mitra Screenshot from the meeting, by Origami M...
I folded Composition of Squar...
After some back and forth, Centerfold 2021 was reactivated and is scheduled for July 30th to August 1st. While I won’t be abl...
Until May 31st, 2021, you can nominate candidates for this year’s Joisel Award. If you noticed any outstanding origami this y...
This post sparked quite a discussion on hackernews. You can read all the interesting comments in this thread. Thanks to everyone who contributed.
Centerfold homepage with the information I was sad to learn that Centerfold 2021, where I was supposed to be one ...
Today, I enabled comments on models, instructions and blog posts. They are implemented with utterances which means you need to log in using a GitHub account ...
On April 10th, 2021, I had the opportunity to give a workshop at BOS Virtual Convention Spring 2021. The main subject was my Box with Woven Triangles V but s...
Old site — main page New site — main page ...
When folding Stars and Squares, I decided to try coloring Elephant Hide paper by just printing it over with a uniform color u...
Origami Deutschland organized an event called Frühlingsfalten (Spring Folding) on March 20th, 2021, and I was happy to give a workshop there. We folded two m...
I folded a crane as an experiment from Herlitz book wrapping foil, and to my surprise, it proved to be a rather nice folding material. I also folded a Fujimo...
Tomorrow, on December 29th, 2020, I will be giving a workshop for Origami Group Eindhoven. I will teach my Box with Woven Tri...
Sponge cloths, used for bathroom cleaning, make an interesting folding material. When wet, they are soft and foldable. When d...
Have you noticed that the strip which stays behind when you cut a square from an A4 sheet of paper, is just the right size for cutting two small hexagons?
Origami-styled wisent logo of Ekoland company displayed on trash cans As a follow-up to trash cans with an origam...
Origami-styled elephant logo of Kom-Eko company displayed on trash cans Kom-Eko, a waste management company in Lu...
I will be teaching my Shamrock 1.1 Box in less than two weeks during the World Origami Days event organized by OrigamiUSA. Wh...
My previous logo, a modular spoked wheel, has served me well for the last five years, but it does not anymore represent the k...
Six Simple Twists (second edition), by Benjamin ParkerBook cover © CRC Press The long-awaited second edition of B...
Origami World Marathon official poster World Origami Marathon is coming up this weekend, August 22-23, 2020. See ...
WOM poster for my workshop If you want to learn how to fold my Box with Woven Triangles III, join me for the Worl...
On August 2nd, 2020, I’ll be teaching my origami book model, Long Story Short, in an online O...
The image in this post shows a precreased sheet of paper, which upon collapsing folds to Triangles Tessellation. Usually, mod...
Google Doodle for yesterday, Children’s Day 2020 (2020-06-01), as displayed in Poland, included a number of origami-like shapes. Google Doodle is the customi...
I folded Stars among Hexagons from a sheet of John Gerard’s handmade hemp and flax paper. These two ingredients give the paper a lot of strength, crispness, ...
Scene from „Oczekiwanie” (“Awaiting”), a 1962 Polish short film featuring origami. Fair use of a single frame is assume...
First update in a long time. Fixed some broken links, updated envelopener article, added a link to my origami interview in The Fold, uploaded slides from my ...
At CfC (Conference for Creators) 2 which took place in Zaragoza, Spain, in 2020, I gave a presentation titled Designing precr...
Folding Composition of Squares I prompted me to review the paper whose Japanese name is Karaperapisu, but which I see people ...
This monument to the origami Pajarita advertises EMOZ, one of the few origami museums in the world. Both the monument and the...
It’s been a week already since CfC 2, the origami Conference for Creators. It was very inspiring to meet so many great design...
I learned about Khepera from Robin Scholz several years ago and I’ve become a fan of this paper, though I must warn you up-front that it’s good only for some...
I folded Star Ananke (D) from an angel-themed calendar.
Wystawa origami w Olsztyńskim Planetarium | Origami Exhibition at Olsztyn Planetarium |
Do końca stycznia 2020 trwa wystawa moich modeli origami w Olsztyńskim Planetarium (OPiOA). Prezentowane prace to ponad 80 te...
Już 7.12.2019 Kosmiczne Mikołajki w Olsztyńskim Planetarium, a w programie m.in. wystawa moich prac origami, prezentacja „Wsp...
Radioactive Tessellation was my first fold using Ogawa Washi paper. The paper is thin, but still provides some resistance during folding, which I liked since...
I gave an interview to The Fold, OrigamiUSA’s online magazine (no membership required for access). As a bonus, it includes fo...
My table at this year’s Ultimate Origami Convention. You can find here some models I’ve already published online along with s...
I folded the Crucifix model with Korean Hanji paper which had been on my waiting list for some time. Note that Origami Shop s...
Woven Parallelograms Tessellation is folded from Goat Skin pa...
I folded my Titanic model from beige Awagami Ogura paper (75 gsm). This is a long-fiber, relatively soft paper. Creases were ...
Folding Star of David Tessellation II was the first time I folded Leathac Rouketsu paper. Classified as 105 gsm, it is quite ...
For folding Frank’s Bow Tie, I chose Fedrigoni Splendorgel Extra White 100 gsm paper. I reviewed the same paper earlier alrea...
Wspólnie z Ambasadą Japonii w Polsce zapraszam na prezentację p.t. „Współczesne origami” oraz towarzyszące jej warsztaty, pod...
I used Spider’s Web (Ben Goldberger) model to test a sheet of paper which is sold by IKEA under the name Givande and which I ...
I folded Lucky Star Fractal Tessellation from a sheet of grey Tant paper which I bought at the CDO convention in Italy. I use...
This is my display at 18th Outdoor Origami Meeting (Plener Origami) 2019 in Kraków, Poland. It was great to be there and fold...
I used Braided Pinwheel Tessellation to test Biogami paper which I got interested in after se...
I folded Lucky Star Tessellation from a sheet of blue, hand-m...
Lucky Star Fractal (Open Back) was the first model I folded from Edokosome paper which I bought at CDO convention. I wasn’t quite sure I would like it since ...
Making One Hand Washes the Other was the first time I folded Nicolas Terry Tissue Foil paper. I chose it for this model becau...
Epiphany III is a large model, folded from an almost complete B1 sheet of Fabriano Accademia 120 gsm paper which I found at a...
I used Christmas Tree 2018 model for testing out Vintage paper. At 65 gsm, it’s rated thinner than most papers I use, and it ...
Origami Tessellations for Everyone, by Ilan GaribiBook cover © Ilan Garibi Ilan Garibi just published his book, O...
Added some new links to my origami resources published outside of this page.
Folding Twist Again Tessellation was an opportunity to test L...
These are my origami models displayed at CDO Convention 2018 in Pisa/Tirrenia. This was my first time at the Italian conventi...
Sunflower Tessellation (3×3) was the first model I folded from Yohishi (Bear Hide) paper. This is a thick paper which would p...
On October 24th, 2018, during World Origami Days, I made a brief appearance on the TV show Pytanie na Śniadanie, talking abou...
Folding Lucky Star Box (Simplified) was also a test of Fedrigoni Splendorgel paper which I discovered at a local PaperConcept...
Folding my Spread-Sunk Square Twist Tessellation was my first use of Kinumomi paper (also known as Rhinoceros Hide / Rhino Hi...
I folded a huge paper boat in order to test the feasibility of folding from thick double-layer corrugated board. As could be ...
Making Flow Tessellation was the first time I folded Biotope paper, and I admit I liked it very much. It is thinner than Tant...
Double-Bottom Double Spearhead Tessellation was my first fold using Kaiser paper, sold by Ori...
My exhibition at 17th Outdoor Origami Meeting (Plener Origami) in Kraków, Poland. Despite a relatively short time between the...
My display at the German Origami Convention 2018 in Erkner, Germany. As always, it was a wonderful time and I had the opportu...
Wedge Flower Tessellation was my first fold using Awagami Kozo Natural Select paper. I liked ...
Latin Cross Tessellation was the first model I folded from Nepalese Lokta paper, so here’s a short review. Summary: the paper...
My display table during 16th Outdoor Origami Meeting (Plener Origami) in Kraków. The school which kindly hosts the convention...
My exhibit at Origami Deutschland convention in Bonn, Germany. Unfortunately, the space for model display was very limited, s...
This is my model exhibition at BOS50, the 50th Anniversary Convention of British Origami Society, which took place in Stratfo...
Migrated the page to HTTPS (finally!).
Twists, Tilings, and Tessellations: Mathematical Methods for Geometric Origami, by Robert J. LangBook cover © CRC Press...
OrigamiUSA published my report from the 12th origami convention of Polish Origami Society (Polskie Towarzystwo Origami, PTO),...
I folded Max Hulme’s Cat from a square of felt pasted onto aluminum foil. Surprisingly, this composite material was quite wel...
I folded Union Jack Tessellation from a paper called Earth Treasure, a single sheet of which I bought for testing at Outdoor ...
Folding Flower Tessellation presented me with an opportunity to test Wibalin paper. This is a thick (125 gsm) paper originall...
I spotted big advertising billboards using origami Dollar Bil...
I folded Leafless Hydrangea in order to test a new kind of pa...
Big and Small Squares was the first model I folded from Fabriano Murillo paper. It is acid free and promises good color stability (with many vivid colors ava...
Rhombic Pixel Tessellation was an experiment in folding from an unusual paper. I had a single sheet but didn’t know the name ...
I folded Chevron Corrugation (UUDD-DDUU) from thick laid paper with an interesting texture. This kind of paper can readily be...
Added a new section: Origami Boxes.
My exhibition at this year’s convention of Polish Origami Society (Polskie Towarzystwo Origami, PTO) which took place in Wars...
This heap of new origami designs is waiting on my table until I can make clean folds and document them properly. Unfortunatel...
Folding Two-in-One Flower Tessellation was an opportunity to ...
Envelope openers are very useful tools for origami folders and other craftspeople, but they do have a number of quirks. After answering a question about gett...
A new Articles section added in origami. It contains links to some older texts I wrote as well as a new article, Envelopeners: usage and care.
My exhibition at 15th Outdoor Origami Meeting (Plener Origami) in Kraków, Poland. This year’s guest of honor was Robert J. La...
A report from 15th Outdoor Origami Meeting (Plener Origami), an international origami convention held in Kraków, Poland, was ...
While folding Double Spearhead Tessellation, I reviewed Eko-Lux paper.
New section, Corrugations, added to origami page.
Tsumugi is a thick Japanese paper decorated with a linen-like texture of thick “yarns” running along one direction. I bought a sheet at Modulor (Berlin) and ...
An inkjet printer (Public Domain image from Open Clipart project) Here is a trick I’ve used a number of times whe...
New section Tessellations added to origami page along with a number of models which I had only put on flickr but not on this page before. On this page some c...
My article, Introducing Building Block Units, was published in The Fold. This text describes my Building Block Units (BBUs) a...
Added instructions for the new Woven Slit Module (WSM) along with usage examples in the newly added section Cubes and cuboids. This section was added, and ma...
Two new sections added to origami page: Single-sheet geometric models and Origami-related images. Crease patterns for Bumpy Octahedron and Name Plate were ad...
In July 2015 I decided to get rid of some old origami models which had faded beyond looking nice. On these Sonobe units retrieved from some modular assembly,...
Surface Charging and Points of Zero Charge, Marek Kosmulski, 2009 This is the cover of Surface Charging and Point...
New section Modular tessellations added to origami page.
I created a flickr profile for my origami.
Added new section: Origami — Tangles with three new models from Robert Lang’s Himalaya series: Gasherbrum, Makalu, and Annapurna plus Five Intersecting Tetr...
Added instructions for the Building Block family of units along with usage examples in the newly created Origami — Architecture section as well as in Fractal...
After searching for prior art of origami units I designed, I found out that two had been published before by others. Added appropriate credit on Swallowtail ...
After 9 years of existence at hektor.umcs.lublin.pl (and a few earlier locations since 1996), my page is now moving to its own domain, michal.kosmulski.org
Some fixes in dangling links found all over the origami section of my site.
A new section is now online: 3D anaglyph images of origami.
Fixing dead links and minor updates in all sections of the page; unfortunately some pages with diagrams of different origami units seem to be permanently gon...
A new section is now online: Business card origami.
Added a new section: Origami — Folding instructions. At the moment, only instructions for the Oxi module are available.
Page moved to a new server (michal.kosmulski.org); Please update your bookmarks and links.
On September 8th, 2004, I added an origami section to my personal homepage. This version was online for over 15 years until t...