#tessellation — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #tessellation, aggregated by home.social.
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#PhotoMai2026 jour 8 : « artificiel et jaune »
14 novembre 2025, modèle de Haligami
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A minor, but still quite large, update to HyperRogue!
Suggest moves after 3 incorrect attempts, grow Ivy through narrow chasms, use compasses, rulers and non-Euclidean tools in the built-in drawing tool, more intuitive touch dragging, bugfixes and more!
https://github.com/zenorogue/hyperrogue/releases/tag/v13.1l #noneuclidean #roguelike #mathart #tessellation #HyperRogue #RogueViz #noneuclideanGeometry
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A minor, but still quite large, update to HyperRogue!
Suggest moves after 3 incorrect attempts, grow Ivy through narrow chasms, use compasses, rulers and non-Euclidean tools in the built-in drawing tool, more intuitive touch dragging, bugfixes and more!
https://github.com/zenorogue/hyperrogue/releases/tag/v13.1l #noneuclidean #roguelike #mathart #tessellation #HyperRogue #RogueViz #noneuclideanGeometry
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A minor, but still quite large, update to HyperRogue!
Suggest moves after 3 incorrect attempts, grow Ivy through narrow chasms, use compasses, rulers and non-Euclidean tools in the built-in drawing tool, more intuitive touch dragging, bugfixes and more!
https://github.com/zenorogue/hyperrogue/releases/tag/v13.1l #noneuclidean #roguelike #mathart #tessellation #HyperRogue #RogueViz #noneuclideanGeometry
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A minor, but still quite large, update to HyperRogue!
Suggest moves after 3 incorrect attempts, grow Ivy through narrow chasms, use compasses, rulers and non-Euclidean tools in the built-in drawing tool, more intuitive touch dragging, bugfixes and more!
https://github.com/zenorogue/hyperrogue/releases/tag/v13.1l #noneuclidean #roguelike #mathart #tessellation #HyperRogue #RogueViz #noneuclideanGeometry
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A minor, but still quite large, update to HyperRogue!
Suggest moves after 3 incorrect attempts, grow Ivy through narrow chasms, use compasses, rulers and non-Euclidean tools in the built-in drawing tool, more intuitive touch dragging, bugfixes and more!
https://github.com/zenorogue/hyperrogue/releases/tag/v13.1l #noneuclidean #roguelike #mathart #tessellation #HyperRogue #RogueViz #noneuclideanGeometry
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A mosaic doorstep, Whitechapel, London, England
#MosaicMonday #mosaic #geometry #tiling #tessellation #MathArt #design #pattern #photography #TravelPhotography
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@saltywizard A mosaic doorstep, Hay-on-Wye, Wales
#MosaicMonday #mosaic #geometry #tiling #tessellation #MathArt #design #pattern #photography #TravelPhotography
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"FOLD2 Final webinar, Wednesday 28 January 28 10:00-12:00 (UTC+2)
The webinar will include a keynote speak from Yves Klett, and a review of the FOLD2 projects highlights.
10:00 – Opening remarks
Welcome by Jarmo Kouko, Kirsi Peltonen, and Jouni Lattu (Host)
Introduction of the keynote speaker
10:05 Keynote presentation
Yves Klett: “A Meta Overview of Industrial Tessellation Applications”
10:50 Discussion
11:00 FOLD2 Project Review:
Summary and highlights of the FOLD2 project by several project contributors“FOLD2 targets and achievements” – Jarmo Kouko (VTT)
“Folding machinery” – Roope Siilasto (VTT)
”Conceptual design for multifunctionality” – Kirsi Peltonen (Aalto)
”From materials to structures” – Jarkko Niiranen (Aalto)
”Layered cushioning solutions” – Miia Palmu (VTT)
“Acoustics solutions” – Markus Holste (Aalto)
“Visual novelty” – Markus Joutsela (Aalto)
“FOLD industrial potential” – Jussi Muikku (Orfer)
Wrap up – Jouni Lattu (VTT)
12:00 End of eventYves Klett first started designing technical tessellations for his diploma thesis in 2003 and has never stopped working on high-tech origami ever since. ... In 2005, he co-founded Foldcore GmbH as an outlet for industrial folding innovations. Since 2012 he is managing director at Foldcore with the mission to bring tons of tessellations to the world."
https://fold-project.com/2025/11/14/fold2-final-webinar/
edit: added details to Project Review. Note that some browsers display a blank page when "sign up" is clicked, only DuckDuckGo and Tor browsers have worked so far.
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Some social network analysis on Metroidvanias.
Data from https://www.reddit.com/r/metroidvania/comments/1dwqjp0/if_you_had_to_pick_5_of_the_best_metroidvanias/, two games are connected (with a weighted edge) when they appear in the same answer.
We arrange the games on the tiles, aiming to minimize the sum of (distance) * (weight). Hyperbolic geometry tends to be be good for this kind of visualization (closeness correlates to edge weight).
Tehora Rogue has run a community detection algorithm (using Gephi) on this network multiple times. This algorithm would find 4 to 6 communities in different runs, the 4 communities shown are based on aggregation of the results.
(There are "green" and "yellow" communities of sets of five games posted by "trolls" who have posted games not mentioned by anyone else, and the main genre splits into "blue" and "red" -- if you know these games, do you have any idea what the blue/red split could mean?In the second picture, the red / blue / green components (excluding trolls) are determined by how often the game appeared in the same community as Iconoclasts / Cookie Cutter / Castlevania: Harmony of Despair. These three games were chosen because they frequently belonged to different communities.
#metroidvania #mathart #socialnetworkanalysis #gamedesign #rogueviz #NonEuclideanGeometry #NonEuclidean #tessellation
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Example #167, and the very first example showing basic usage of the new https://thi.ng/geom-webgl interop package (still unreleased): Parsing a SVG path, sampling it with uniform vertex density (configurable), converting it into a complex polygon (w/ holes) and then into WebGL buffers (w/ vertex color option enabled), randomizing colors via probabilistic color theme, and — finally — drawing it all...
Demo (reload for new variation):
https://demo.thi.ng/umbrella/geom-webgl-basics/Source code:
https://github.com/thi-ng/umbrella/blob/develop/examples/geom-webgl-basics/src/index.ts#ThingUmbrella #WebGL #SVG #Geometry #Tessellation #Triangulation #DebugArt #TypeScript #Typography #Polygon
#ThingUmbrella -
As part of the work on the upcoming thi.ng/geom-webgl package, today I've also been completely rewriting all tessellators in https://thi.ng/geom-tessellate and extending the package with more features, incl. an adapted version of https://github.com/mapbox/earcut to handle complex polygons (with holes, but can also be combined/nested with all the other tessellators, incl. the non-triangular ones)...
Instead of producing an array of faces (each itself an vertex array), all tessellators are now producing/populating/adding to a single tessellation, consisting of a vertex array and another array of face vertex IDs. This makes the result much more flexible for a number of use cases, incl. WebGL/WebGPU conversion.
Very happy with how the new API for both packages is turning out. The last image shows the source code for generating a single frame of the "SB" anim, starting with parsing two SVG paths, grouping & fitting them into a target bounding rect, then tessellating the entire group, rebuilding a new group from the resulting triangles, and finally serializing everything to SVG. For WebGL, there'll be a single `asWebGLModel()` function which performs shape tessellation automatically behind the scenes (fully configurable, though)...
#ThingUmbrella #WebGL #SVG #Geometry #Tessellation #Triangulation #DebugArt #TypeScript #Typography #Polygon
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Testing/debugging the dynamic tessellation feature of the upcoming thi.ng/geom-webgl interop package... This will provide a single polymorphic function to convert https://thi.ng/geom shapes into WebGL binary data & model/attribute specs, with lots of options for memory layout, indexing, instancing and other advanced usage...
By default (and as shown here), polygons are tessellated via ear cutting[1], but users have a choice of 9 other algorithm presets (or their own custom ones), incl. iterative application of multiple tessellation strategies..
[1] https://en.wikipedia.org/wiki/Polygon_triangulation
#ThingUmbrella #WebGL #Geometry #Tessellation #DebugArt #TypeScript #Gems
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All tiles in place! Had to use the seam ripper a couple of times. Don't get your pattern accidentally turned upside down :)
Time for #Tessellation with #Hackerboxes #sewing project. This is a prototype for a larger #quilt and shows circle of fifths concepts.
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A more prosaic part of the pattern: attaching the #hackerboxes LED panels with buttonhole stitching. First one went down without incident. Soldering will be done with a shield protecting the fabric.
Time for #Tessellation!
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Time for #Tessellation prototype gets black and white checkered #quilt binding. Not a bad effect - reminds me of NASA rockets.
We are going with the #arduino IDE because it looks like all the needed libraries are there, and the circle of fifths demo running on the #hackerboxes parts will fit.
All code will be #opensource.
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Time for Tessellation #quilt prototype tile layout below. This is an exploded #tessellation, and so far, it's my favorite, because it shows more of the quilt top. #hackerboxes control tile goes in the center.
I am going to do the anchor points for the control tile now. I'm using a historical sail eyelet model and built-in stitches on the #sewing machine to achieve the reinforced holes. Need a good thread to suspend the control tile and provide strain relief for the flexible wire that will route through these holes. Something neutral is what I am looking for.
The control tile will be able to move, therefore utilizing the #accelerometer to change the pattern of the circle of fifths #music #theory theme.
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This is the 'Spreading Hexagons' tessellation, by Eric Gjerde.
I folded it from 200gsm watercolour paper coated with cyanotype chemicals.
It sat outside almost five days.
Long exposure pushes cyanotype blue into a golden-greenish blue instead.
I like how the edges of the folds have described a multiplicity of hexagons.
Origami is cool.
#blueprint #cyanotype #hexagon #EricGjerde #metamorphogram #origami #tessellation #origamitessellation #tessellated #curiosity #justcurious
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Sometimes you make things for sheer curiosity.
I've been trying tessellated origami forms for a while. This one is appealing as it is easy to fold and fun to play with.
I folded it from a sheet of watercolour paper coated with cyanotype.
It went outside for a day or so.
When developed, it looked like the final picture.
So now I know. Curiosity sated. Until next time.
#blueprint #cyanotype #metamorphogram #origami #tessellation #origamitessellation #tessellated #curiosity #justcurious
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A fascinating video on fabric pleating (in French): https://invidious.fdn.fr/watch?v=9jklE9XdkG4
They sandwich fabric inside folded cardboard forms, and then steam it to make it keep the pleats.
The cardboard forms are very reminiscent of origami tessellations.
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Tessellations and Modular Origami From Fabric and Paper - You may be familiar with origami, the Japanese art of paper folding, but chances are you haven’t com... more: https://hackaday.com/2020/01/20/tessellations-and-modular-origami-from-fabric-and-paper/ #wearablehacks #tessellation #geometry #smocking #folding #origami #art