History | Ancient History on Instagram: "In 1939, some architects and engineers experimented with construction methods that resemble modern 3D printing in concept, even though they lacked computers or digital control. These early techniques focused on continuous material extrusion, poured concrete, and layered construction, where walls were formed by guiding wet material through molds or tracks rather than stacking individual bricks. One notable example is the use of slip-form concrete, a proces

Hand mixing clay, sand, straw and water to form cob that will be used to make bricks or oven. Traditional building material and practice in organic building process. Close up. Stock Video

DIY LED Strip: How to Cut, Connect, Solder and Power LED Strip