Mamluk Koran

// Mamluk Koran Page 88 - 98 of Islamic Geometric Patters
// Thames & Hudson by Eric Broug
// ISBN 978-0-500-28721-7
// ISBN 10: 050028721XISBN 13: 9780500287217
// code by Rupert Russell February 2022

Code on github at: https://github.com/rupertrussell/mamluk_quran

https://www.bl.uk/manuscripts/Viewer.aspx?ref=or_848_fs001r

https://www.youtube.com/results?search_query=eric+broug

 https://rupert.id.au/MamlukKoran/

Outer Square Point Numbers

Thanks to Greg Gamble for answring my question about how to rearange
The extrapolation equation to solve for x.

Steps below

 First Step mamluk_koran_003

added function to extrapolate a y value from 2 points
mamluk_koran_005

if you have an answer feel free to email me

https://www.quora.com/unanswered/How-can-I-extrapolate-between-2-points-and-locate-the-x-value-for-an-unknown-point-when-I-know-the-y-value-I-have-an-example-online-at-https-rupert-id-au-MamlukKoran-I-am-sure-its-easy-enough-but-I-am-stuck

I can extrapolate point 3
using
y = y1 + m · (x – x1)

from points 1 & 2

But I need to rearrange the formula
to extrapolate point 5 using Points 1 & 4
I know the y value for point 5
but I need to calculate the x value

Thanks to Greg Gamble for this answer!

mamluk_koran_010

mamluk_koran_011

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mamluk_koran_015

mamluk_koran_017

mamluk_koran_018

mamluk_koran_019

mamluk_koran_020

mamluk_koran_33

mamluk_koran_42

mamluk_koran_46

mamluk_koran_47

mamluk_koran_49

mamluk_koran_50

mamluk_koran_50

mamluk_koran_51

This is what I am working towards

This is what I have produced

https://blog.leonrenner.com/dot-to-dot-generator/