In the design of the Glass Mosque, we aimed to create a deep, sublime and otherworldly space with its geometric structure, materials and metaphorical contexts. The space is shaped on a pentagonal base with a side of 19 m. Mass, space, structure, dodecahedron The pentakis dodecahedron geometry, created by adding a convex pentagonal pyramid to pentagonal surfaces, was shaped according to the function and shaped by establishing a balance of space and occupancyConceptually, the triangle formed by the diagonals connecting the base corners to the extreme corner points within the ground pentagon, which contains the golden ratio, is oriented towards the direction of the qibla. The corner points of the pentagon define the five pillars of Islam, the five daily prayers and the five prophets. (Hz. Muhammed, Hz. İsa, Hz. Musa, Hz. İbrahim, Hz. Nuh)