Geometry Links - March 21, 2025

 Packaging design

https://x.com/gunsnrosesgirl3/status/1876944504051114400

A laptop stand from a single sheet of paper
https://www.core77.com/posts/134948/A-Laptop-Stand-Made-from-a-Single-Sheet-of-Recycled-Paper

Animated Mandelbrot zoom video with pastels and sepia pencil
https://www.youtube.com/watch?v=DU3TaKPhPac

Snowflakes: a chapter from the book of nature by Israel Perkins Warren - published in 1863 - with beautiful illustrations
https://publicdomainreview.org/collection/snowflakes-a-chapter-from-the-book-of-nature-1863/
https://archive.org/details/snowflakeschapte00warriala/page/n3/mode/2up
hat tip:  boingboing.net
A global classification of snow crystals, ice crystals, and solid precipitation based on observations from middle latitudes to polar regions
https://www.researchgate.net/publication/257132993_A_global_classification_of_snow_crystals_ice_crystals_and_solid_precipitation_based_on_observations_from_middle_latitudes_to_polar_regions which found that snowflakes can be divided into thirty-nine categories, further divisible by 121 subtypes.

Simone Conradi drawings "using mathematics and Python, no generative AI"
https://bsky.app/profile/sconradi.bsky.social

Geometric and other art, some intriguing ideas
https://lovid.org/

Unfold Form - origami reusable concrete form that reduces the need for both concrete and steel
https://ethz.ch/en/news-and-events/eth-news/news/2025/01/zigzags-for-greener-construction.html
https://www.core77.com/posts/135375/Architecture-Student-Invents-Brilliant-Formwork-that-Reduces-Concrete-n-Steel-Usage

Robert Obier’s sculptures and art
https://www.obierstudios.com/portraits
https://www.core77.com/posts/135547/Architect-Industrial-Designer-and-Sculptor-Robert-Obiers-Creations

"The go-to source for physical puzzles"
https://www.puzzlemaster.ca/
hat tip:  https://kk.org/cooltools/

Geometric cakes for Ramadan
https://www.bbc.com/travel/article/20240406-kek-lapis-the-most-beautiful-cake-for-ramadan

Animation of the three-body problem
https://mastodon.social/@infobeautiful@vis.social/114155933549054103

Smoke ring geometries
https://x.com/stonersvilla/status/1901635534721605898

Geometry Links - January 10, 2025

 Mathematicians discover new universal class of shapes to explain complex biological forms

https://www.ox.ac.uk/news/2024-09-12-mathematicians-discover-new-universal-class-shapes-explain-complex-biological-forms
The paper itself:  Soft cells and the geometry of seashells
https://academic.oup.com/pnasnexus/article/3/9/pgae311/7754698?login=false
hat tip boingboing.net

Structural modeling kit - magnets and springs
https://molamodel.com/
https://www.core77.com/posts/133959/Architecture-Student-Develops-Structural-Modeling-Kit-Now-Sells-Them-Worldwide

The Geometry of Concepts: Sparse Autoencoder Feature Structure - geometric structure in LLM-learned concepts
https://arxiv.org/abs/2410.19750

First coherent picture of atomic nucleus made of quarks and gluons
https://press.ifj.edu.pl/en/news/2024/10/15/

Online collection of plaid patterns
https://plaid-patterns.com/
hat tip boingboing.net

Kelli Anderson’s imaginative pop-up books
https://www.kellianderson.com/books/

Geometry of tides and rivers
https://www.instagram.com/p/DAEvhs1ynYD/
More at https://www.instagram.com/geometriasagrada.en/
hat tip:  boingboing.net

Alhambra Palace and Crystallographic Groups
https://structures.uni-heidelberg.de/blog/posts/2023_01_palace_crystallographic/index.php
hat tip Howard Rheingold

The vault organelle
https://en.wikipedia.org/wiki/Vault_(organelle)
hat tip Massimo @Rainmaker1973

"The Steampunk Whirling Wonder Fidget (Gear Ball)” 
https://www.grynalor.com/products/the-steampunk-whirling-wonder-fidget-gear-ball

Maze Generator
https://mazegenerator.net/
hat tip kk.org/cooltools

Moving Geometry from Vera Viana
https://veraviana.net/