The Cube -

For those looking for a literal "paper cube," there are detailed guides on constructing functional or decorative models.

: An Instructables guide on creating a fully rotating, workable 3x3 puzzle using gloss photo paper and templates. The Cube

: Instructions on building a sturdy cube from six individual squares of paper that lock together without glue. For those looking for a literal "paper cube,"

Plato’s cube and the natural geometry of fragmentation - PNAS The Cube

: This paper by Richard Goldstone and Robert Suzzi Valli investigates how many ways a cube can be sliced along its edges and unfolded into a flat plane. It uses the Matrix-Tree theorem to calculate spanning trees and Burnside’s lemma to identify unique unfolding shapes.