Sistema Phi

Pattern 12 8

Two Minbar (pulpit) from Cairo, Egypt.
Mameluke Dinasty. 

1. Mosque of Sultan Qaitbay. 
2. Al-Ghuriyya Complex. 

Pattern 16 12 10.
 I started the drawing following Tony Lee's analysis, but I found some problems in the construction, so I developed this proposal.

Expanding the pattern 24 12 8.

24 12 8 pattern from a door (location un known?).

Dual level tenfold pattern.

Dual level tenfold pattern. . 

Constructing a dual level tenfold pattern based on the previous post. 

Tenfold pattern from Misri Cami, Afyon, 1250. 
Posted in FB by Andrey Shchetnikov.

9,10,11,12 Pattern from Al Mansoori Mosque, Trípoli, Líbano. Based on Islam Farid construction.
Photography courtesy of Aslam Qureshi

Second construction,  Gothic Tracery from Billings. The Power of Form.

Online workshop by Sarah Gelsinger Brewer. Great session, thank you! 

Gothic Tracery Patern #1 from Billings, The Power of Form.

Online workshop by Mathémartiste Sarah Gelsinger Brewer.
But I think I still need to think about Apolônio's theorem and how you achieved the magenta circle 😅. Wonderful class. Thank you!

14 - 5 pattern. Based on 's drawing.

14 - 5 pattern. Based on 's drawing.

8-5 Patterns

Sirçali Medrese in Konya(1243). Turkey.

12-8 Patterns at al-Azhar Mosque , Cairo, Egypt.

EGY 1005/1007. Bourgoin, Plate 117.


egypt

12-8 pattern at Mosque of Qadi Yahya, Cairo, Egypt.(Masjid al-Qadi Jami' al-Mahkamah) 1448-49

Pattern previously posted by .geometricpatterns


egypt

9 - 6

24 8 Pattern. Analysis and drawing.
bou_150 Jules Bourgoin's construction, it does not lead exactly to the correct angles.

12/9 Pattern. Analysis, drawing and painting 🎨✨

Pattern 12/9. Analysis and drawing based on the methodology of Anthony J Lee.

Pattern 12/9 from Cairo, Egypt.

Mural. 16/12/7 Pattern. Mosque of Mamluk Amir Mughalbay Taz, Cairo, Egypt.
Pattern 16/8 on the pillars, which I had done previously.

Seven fold pattern. Fatima al-Shaqra Mosque. Cairo, Egypt.

Mural In progress.
16/12/7 Pattern. Mosque of Mamluk Amir Mughalbay Taz, Cairo, Egypt.

Mural In pregress.
16/12/7 Pattern. Mosque of Mamluk Amir Mughalbay Taz, Cairo, Egypt.