Irish company Mcor's unique paper-based 3D printers make some very compelling arguments. For starters, instead of expensive plastics, they build objects out of cut-and-glued sheets of standard 80 ...

Start by fan-folding the tissue paper in 3-inch sections. Keep all 5 sheets stacked while doing this and start from the narrow end. Trim the ends of the fan-folded tissue paper into a rounded shape.