Architectural Tessellation, the Solar-Shadow Engine, and the Fatimid Anomaly

Scholarly investigation into the Fatimid Empire's (909–1171 CE) architectural tessellations, establishing the 3D Solar-Shadow Engine, optical canting of high clerestory glass tesserae, and the only surviving post-Umayyad Islamic floor mosaics at al-Mahdiyya.

Authors

Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2026-10-30
DOI
https://doi.org/10.5281/zenodo.23811325
Primary Topic
Historical and Architectural Studies
Type
preprint
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preprint

Architectural Tessellation, the Solar-Shadow Engine, and the Fatimid Anomaly

Ibrahim Abbas
Zenodo (CERN European Organization for Nuclear Research)
Historical and Architectural Studies
preprint

Architectural Tessellation, the Solar-Shadow Engine, and the Fatimid Anomaly

Ibrahim Abbas
preprint en

Abstract

Scholarly investigation into the Fatimid Empire's (909–1171 CE) architectural tessellations, establishing the 3D Solar-Shadow Engine, optical canting of high clerestory glass tesserae, and the only surviving post-Umayyad Islamic floor mosaics at al-Mahdiyya.

Zenodo (CERN European Organization for Nuclear Research)
Historical and Architectural Studies
DOIOpen Access PDFOpenAlex
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Architectural Tessellation, the Solar-Shadow Engine, and the Fatimid Anomaly — Ibrahim Abbas · Zenodo (CERN European Organization for Nuclear Research) (2026) | TGRS Research Map | TGRS