William Urschel Wall Building Machine from 1939! Dude basically invented concrete 3D printing way before it was cool—his rig extruded and compacted layers.
Ecclesiastes 1:9 That which has been is what will be, and that which is done is what will be done; and there is nothing new under the sun.
Ecclesiastes 1:9 That which has been is what will be, and that which is done is what will be done; and there is nothing new under the sun.
December 13, 2025 at 11:11 AM
William Urschel Wall Building Machine from 1939! Dude basically invented concrete 3D printing way before it was cool—his rig extruded and compacted layers.
Ecclesiastes 1:9 That which has been is what will be, and that which is done is what will be done; and there is nothing new under the sun.
Ecclesiastes 1:9 That which has been is what will be, and that which is done is what will be done; and there is nothing new under the sun.
December 7, 2025 at 12:06 AM