ClipArt images of bipyramids, also known as dipyramids and deltahedrons, which are polyhedrons that connect 2 identical pyramids of any number of sides at their bases.

Illustration of a decagonal bipyramid. A bipyramid, or dipyramid, is formed by joining two congruent…

Illustration of a decagonal bipyramid with hidden edges shown. A bipyramid, or dipyramid, is formed…

Illustration of a hexagonal bipyramid with hidden edges shown. A bipyramid, or dipyramid, is formed…

Illustration of a hexagonal bipyramid. A bipyramid, or dipyramid, is formed by joining two congruent…

Illustration of a nonagonal bipyramid with hidden edges shown. A bipyramid, or dipyramid, is formed…

Illustration of a nonagonal bipyramid with hidden edges shown. A bipyramid, or dipyramid, is formed…

Illustration of a pentagonal bipyramid. A bipyramid, or dipyramid, is formed by joining two congruent…

Illustration of a pentagonal bipyramid. A bipyramid, or dipyramid, is formed by joining two congruent…

Illustration of a rectangular bipyramid viewed at an angle. A bipyramid, or dipyramid, is formed by…

Illustration of a rectangular bipyramid. A bipyramid, or dipyramid, is formed by joining two congruent…

Illustration of a rectangular bipyramid. A bipyramid, or dipyramid, is formed by joining two congruent…

Illustration of a septagonal bipyramid. A bipyramid, or dipyramid, is formed by joining two congruent…

"...bounded by twenty-four scalene triangles...This form may be considered as a combination of two scalenohedra,…

Illustration of an elongated decagonal dipyramid that is formed by elongating a decagonal bipyramid…

Illustration of an elongated decagonal dipyramid that is formed by elongating a decagonal bipyramid…

Illustration of an elongated decagonal dipyramid that is formed by elongating a decagonal bipyramid…

Illustration of an elongated heptagonal/septagonal dipyramid that is formed by elongating a heptagonal…

Illustration of an elongated heptagonal/septagonal dipyramid that is formed by elongating a heptagonal…

Illustration of an elongated heptagonal/septagonal dipyramid that is formed by elongating a heptagonal…

Illustration of an elongated hexagonal dipyramid that is formed by elongating a hexagonal bipyramid…

Illustration of an elongated hexagonal dipyramid that is formed by elongating a hexagonal bipyramid…

Illustration of an elongated hexagonal dipyramid that is formed by elongating a hexagonal bipyramid…

Illustration of an elongated nonagonal dipyramid that is formed by elongating a nonagonal bipyramid…

Illustration of an elongated nonagonal dipyramid that is formed by elongating a nonagonal bipyramid…

Illustration of an elongated square dipyramid that is formed by elongating a square bipyramid by inserting…

Illustration of an elongated square dipyramid that is formed by elongating a square bipyramid by inserting…

"This is the general form; it is bounded by sixteen scalene triangles, and all the indices are unequal."…

"...bounded by twelve isosceles trianes each of which are equally inclined to two planes of symmetry."…

"This is the general form and is bounded by eight scalene triangles." -The Encyclopedia Britannica 1910

"This is the general form and is bounded by eight scalene triangles." -The Encyclopedia Britannica 1910

"The dihexagonal pyramid is a form of twenty-four isoceles triangular faces, each of which intersects…

"The ditetragonal pyramid is a form composed of sixteen isoceles trianglular faces, each of which intersects…

"The pyramid of the first order is a form consisting of eight isoceles triangular faces, each of which…

A tetragonal bipyramidal crystal where the vertical axis is shorter than the horizontal axes.

A tetragonal bipyramidal crystal where the vertical axis is longer than the horizontal axes.

Represents the relation between the tetragonal bipyramid of the first order when the indices are {111}.

Represents the relation between the tetragonal bipyramid of the first order when the indices are {111}.

"...bounded by six isosceles triangles...indices as in the hexagonal bipyramid." -The Encyclopedia Britannica…