Prism shapes Basic Shape 1-sided Horizontal PrismStandard shape with the contours of a prism. Description A slate shape with the contours of a three-dimensional prism (mathematical shape).Features of the espalier form:standard form with one or more sets of 3 parallel framework branchesframework branches have a triangular ‘base’fruitwood is grown short on the stem branch[mks_icon icon=”fa-thumbs-up” color=”#009900″ type=”fa”] For additional information see main article: 3D Leivorm. Naming Full name: prism Popular name: prism Synonym: Nickname: Historical name: prism Alternative name: Spelling variants: Opinion The following espalier forms are derived from the two-dimensional (Common) Trident. The cultivation of these is similar.[mks_icon icon=”fa-thumbs-up” color=”#009900″ type=”fa”] For additional information see main article: 3D Leivorm. Derived Variants Lesion forms below are derived from the basic form. 2-sided Horizontal PrismStandard shape with the contours of a prism.