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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail From: "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> Newsgroups: sci.math Subject: Re: A fun penta tile... Date: Wed, 4 Dec 2024 22:34:34 -0800 Organization: A noiseless patient Spider Lines: 46 Message-ID: <virhhp$1ei2s$1@dont-email.me> References: <virfdk$1ebbf$2@dont-email.me> <virh2i$1eflr$1@dont-email.me> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Injection-Date: Thu, 05 Dec 2024 07:34:34 +0100 (CET) Injection-Info: dont-email.me; posting-host="8b58a9dc3a65076c35b5d9b05ba357b4"; logging-data="1525852"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1/doeFE3VvXfCEPW/YNSWei2xVfjeQxtks=" User-Agent: Mozilla Thunderbird Cancel-Lock: sha1:BHuex+Gz37VMURu5NdzRkLI11mc= Content-Language: en-US In-Reply-To: <virh2i$1eflr$1@dont-email.me> Bytes: 2494 On 12/4/2024 10:26 PM, Moebius wrote: > Am 05.12.2024 um 06:58 schrieb Chris M. Thomasson: >> Just playing around and I got the pure pentagonal tile down wrt an >> infinite "strip". Here is a crude example: >> >> https://i.ibb.co/vLy94Jf/image.png > > Outch ... my eyes are hurting! Very nixe... :-) > >> However, I am not sure how to make it go up and down without adding >> another tile... (y axis). I can make it go left and right (x-axis). >> Well... I can make it go up and down by introducing a rhombus, sorry >> for some imprecision, just goofing around here having fun: >> >> https://i.ibb.co/NmdY7Qb/image.png > > Ah... Seems familiar, somehow. It might be another try of mine where the only way I could do it was to add a damn rhombus? https://i.ibb.co/VMMSrCy/image.png Trying to make it tile up and down _without_ using a rhombus via y axis makes me bang my head against a wall. Here is an older work of mine: https://i.ibb.co/VMMSrCy/image.png > >> Is this anything new? If not where can I learn more about it? > > There's a whole field in math dealing with this and similar stuff! > > https://en.wikipedia.org/wiki/Tessellation > https://mathworld.wolfram.com/Tessellation.html > > See the sources too. > > More fun: > https://uni-tuebingen.de/fakultaeten/mathematisch- > naturwissenschaftliche-fakultaet/fachbereiche/informatik/lehrstuehle/ > algorithms-in-bioinformatics/software/tegula > >