Similar to modern 3-d printers, in 1939, inventor William E. Urschel created the world’s first printed building behind a small warehouse in Valparaiso, Indiana. The following year he would file a series of patents for a “Wall Building Machine
byu/TomrummetsKald ininterestingasfuck
看得更深一点……挤压是键控的,在挤压的顶部形成一个槽口,下一个通道被压缩到……阅读有关添加电线但没有图像的信息……可能没有幸存的例子……你可以在槽口处放一道带刺铁丝网……一定是热的快速设置组合。