| Each of the openings has a substantially triangular shape, trapezoidal or semicircular shape. |
| One side of each trapezoidal panel has a smooth finish, and the other is sandblasted to expose the course aggregate. |
| They are distinctly flattened and rectangular to trapezoidal in dorsal view. |
| Among the common shapes are triangular, circular, rhomboidal, quadrate, trapezoidal, and elliptical. |
| They angled the party wall to form trapezoidal shapes and adapted the motion to create lively and clearly defined spaces in the units. |
| They were then ordered to march into a rectangular hangar, with the sides all angled inwards to the flat roof, roughly trapezoidal in shape. |
