Keeping in mind my game I had decided to create a diamond. This diamond consists of 58 vertexes, 136 edges and 80 faces. Its mesh is rother simple. Constructing this model, I concentrated on studying how to create, set materials and lights. I also learned to use several common simple tools, for example: Tris to Quads (Ctrl + J), Triangulate Faces (Ctrl + T), Checker Deselect.