Chart 690 - 3D Shapes

3D Shapes Chart

Spectrum Chart - 690 : 3D Shapes

1. Pyramid - A pyramid is a three-dimensional shape. It has triangular sides that come together in a point at the top, call the "apex". A pyramid with a square base (bottom) and four sides is called a square pyramid. A pyramid with a triangular base and three sides is called a tetrahedron.

2. Cube - A cube is a three-dimensional solid object bounded by six square faces, facets or sides with three meeting at each vertex. A cube is a block with all right angles and whose height, width and depth are all the same.

3. Sphere - A sphere is a perfectly round geometrical object in three-dimensional space that is the surface of a completely round ball. The longest straight line connecting two points of the sphere, passes through the centre and its length is thus twice the radius, it is a diameter of the sphere.

4. Cuboid - A cuboid is a 3D shape. Cuboids have six faces, which form a convex polyhedron. Cuboid has 12 edges, 8 corners or vertices & 6 faces. Cuboid shapes are often used for boxes, cupboards, rooms, buildings etc.

5. Cylinder - A cylinder is one of the most basic curved geometric shapes, with the surface formed by the points at a fixed distance from a given line segment, known as the axis of the cylinder. The shape can be thought of as a circular prism. Both the surface and the solid shape created inside can be called a cylinder.

6. Cone - A cone is a solid object that one gets when one rotates a right triangle around one of its two short sides, the cone's axis. The disk made by the other short side is called the base, and the point of the axis which is not on the base is the cone's apex or vertex. An object that is shaped like a cone is conical.

7. Triangular Prism - Triangular prisms are three-dimensional solids formed by putting rectangles and triangles together. A triangular prism is a three-sided prism, it is a polyhedron made of a triangular base, a translated copy and 3 faces joining corresponding sides.

8. Hemisphere - A hemisphere is half of a sphere. A sphere can be divided by a plane into two equal parts known as hemisphere. A sphere makes two equal size hemisphere.

9. Torus (Ring) – A Torus is a shape from geometry that is obtained by rotating a circle in 3D space. To obtain a torus, the point around which the rotation occurs must be in a plane with the circle. If the point of rotation lies outside the circle, the shape of the torus will have a hole, and the torus will be called ring torus.

10. Ellipsoid – An ellipsoid is a shape like a sphere, but it may be longer in one or more directions, like an egg or a rugby ball. It is the 3 dimensional analogue of an ellipse.

11. Tube - A tube is a long hollow cylinder used for moving fluids or to protect electrical or optical cables and wires.

12. Helix - A helix is a curve in three dimensions. It looks a bit like a spiral. Each helix has a line called its axis. The helix has a constant angle to this line. Helices are often seen in nature and the sciences. Examples of helix are coil springs and the handrails of spiral staircases.

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