a) D-shape example of large scale objects [11], b) Concrete

Defining shapes of two-dimensional crystals with undefinable edge

Constructive solid geometry - Wikipedia

Remote Sensing, Free Full-Text

Concrete – Minecraft Wiki

Jorge CORKER Research profile

Women and Leadership: 7 Women Discuss Their Journeys - The New York Times

Shape and size effects on the compressive strength of high

What Children Know and Need to Learn about Shape and Space

Concrete poetry - Wikipedia

Concrete Objects + Structures. Visual Grammar, by Christian Legorg…, by Jerad Allen

Reinforced concrete - Wikipedia

Fractal - Wikipedia