Identifying 3D objects Crossword

This printable crossword puzzle on the topic of Geometry has 12 clues. Answers range from 3 to 23 letters long. This crossword is also available to download as a Microsoft Word document or a PDF.

My faces are triangles and they are parallel to each other.
My base is rectangular shaped and all my other faces are triangles which meet at a common point.
I am related to a real life ball.
I am a pyramid made of four identical triangle.
I am not flat, I have length, width and height.
The flat surfaces of an object.
The drawing of a shape which you can then cut out and fold to make a model of a 3D object.
I have two parallel circular bases and I'm three dimensional.
I am 3D but two 2D shapes within me has 5 sides which are also parallel to each other. Pentagonal
The point at which three or more faces of a 3D object meet.
Line where two faces meet.
I have 6 faces (not identical), 8 vertices and 12 edges. Rectangular