Printable 3D Shapes Worksheets - Math Fun Worksheets A few three dimensional shapes are shown below. All 3- D shapes have faces, edges and vertices. The flat surfaces of the cube are called faces. A cube has 6 faces. The line segment where two faces meet are edges. A cube has 12 edges. Vertex is where three edges meet. A cube has 8 vertices. We have a number of 3- D objects around us.