Well, honey, a three-dimensional diamond is called a "diamond." It doesn't matter if it's 2D or 3D, it's still a diamond. So, go ahead and dazzle 'em with that sparkly gemstone, whether it's on paper or popping out of the screen.
an octahedron: basically two square based pyramids with their bases stuck together.
Yes but the correct term is octohedron
A 3D name for a pentagon is a pentagonal prism.
A hexahedron is the name for a 6 sided 3D shape.
A nonagon is a 2D shape and there is not a 3D equivalent shape.
a kite
The another name of 3D version of diamond kite is equilateral quadrilateral, since equilateral means that all of its sides are equal in length. The rhombus is often called a diamond,
The correct name for a 3D diamond shape is a rhombic dodecahedron. This polyhedron has 12 congruent rhombus-shaped faces and is a type of dodecahedron, which is a polyhedron with 12 faces. The term "diamond" is often used colloquially to describe this shape due to its resemblance to the face of a cut diamond.
A cut diamond is a 3D object as it has length, width and depth (even if it is roundish like a pebble)
A parallellopiped
an octahedron: basically two square based pyramids with their bases stuck together.
There is really not a 3d Pokemon ds game, however, there are 2D games that sort of look 3D. Pokemon Diamond, Pearl, Platinum, mystery dungeon, and Pokemon ranger are some examples
What is the 3d name for octagon
Yes but the correct term is octohedron
with a 3d printer
A 3d trapezium (not trapesium) does not have a specific name.
it is a 3D shape with 8 faces 8 edges and 6 vertices if you want a picture of it type in pcures of 3D diamonds.