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    Where do we see 2D shapes?
                          Drawings and paintings

                          Flags and signs
                          Designs on clothes

                      WHAT ARE 3D OBJECTS?
                      A Three-dimensional object has three dimensions: length, width and height. These objects take up
                      space and can be held in real life.

                      Examples of 3D objects: Cube, Sphere, Cylinder, Cone and Pyramid.

                      Where do we see 3D objects?

                          Buildings and houses        Toys and sculptures          Balls, boxes and bottles

                                Feature                   Two-Dimensional                    Three-Dimensional

                                                    Two dimensions:  length and  Three dimensions:  length, width
                       Dimensions
                                                    width.                            and height.
                                                    Flat shapes, such as squares,  Solid  shapes, such as cubes,
                       Shape Representation
                                                    circles and triangles.            spheres and pyramids.
                                                                                      Multiple  angles or views can  be
                       Visual View                  Only front view is visible.
                                                                                      seen.

                                INTRODUCTION TO TINKERCAD

                      Tinkercad is a free, web-based 3D design tool used for creating, modifying and
                      exporting 3D models. It runs in a web browser and does not require any software

                      installation. It was founded by former Google engineer Kai Backman and his
                      co-founder, Mikko Mononen. In May 2013, Tinkercad was acquired by Autodesk.

                      FEATURES OF TINKERCAD

                      Some of the features of Tinkercad are as follows:
                         User-Friendly Interface — Designed for beginners, Tinkercad provides an intuitive drag-and-

                        drop interface for creating 3D models.
                         Browser-Based — No need to download or install any software; it runs entirely in a web browser.

                         Shape-Based Modelling — Users can create complex objects by combining simple geometric
                        shapes.

                         3D Printing Compatibility — Models can be exported in STL or OBJ formats for 3D printing.

                      146   Premium Edition-VII

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