How to teach paper-folding and cutting: a practical manual-training aid (1892)
[Litchfield, Norma MacLeod] [from old catalog] · Lebanon, Ohio, March brothers · leaf 96
Fig.ITo,/^^ form a solid, such as is shown in figure No. 132. Thissolid is known as a dodecahedron. A twenty-sidedsolid is illustrated in No. 133. Each of the sides isan equilateral triangle, and the plan for drawing,cutting, and folding is represented in the next figure. SOLID FORMS. 93 FRUSTUMS.… … % jic. /jr 135 and 136 are represented respectively frustums ofa square prism and a hexagonal prism. The upper
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