but also the depth of the room,which is the third dimension.I created this view on the computerbut you can drawthis type of 3D plan.All you need is a pencil or a pen,a ruler and some paper.

[XYZAidan] has a process that can recycle paper into 3D cardboard-like objects. You need a 3D printer, but it doesn’t actually print the paper. Instead, you use the printer to create a mold ...