Chad (paper) device which will not punch a complete circle in the tape but, instead, will only cut approximately three-quarters of the circumference of a circle ... thereby leaving a movable, or hinged, lid of paper in the tape." In the "New Hacker's Dictionary", two unattributed and likely humorous derivations for "chad" are offered, a back-formation from a personal name "Chadless" and an acronym for "Card Hole Aggregate Debris". Other etymologies claim derivation from the Scottish name for river gravel, "chad", or the British slang for louse, "chat". When a chad is not fully detached, it is described by various terms corresponding
Paper model across a wide range of subjects. The models include very difficult and ambitious paper projects, such as life-sized and complex creations. Architectural paper models are popular with model railway enthusiasts. Various models are used in tabletop gaming, primarily wargaming. Scale paper models allow for easy production of armies and buildings for use in gaming and that can be scaled up or down readily or produced as desired. Whether they be three-dimensional models or two-dimensional icons, players are able to personalize and modify the models to bear unique unit designations and insignias for gaming. Paper model Paper models, also called card