Task 4 - Mesh Construction

3D modelling often starts off by inserting a primitive, this is a pre made shape such as a cube, sphere or a pyramid cone as shown above. These shapes act as the start or main building block for more complex models. and their preterites can easily be changed in order to get the desired shape or look.

Here you can see i have added another primitive and rotated the first one to get it into a position I wanted. 

The mesh of a structure acts as the wire frame and the faces on them like the ones on the sphere acts as blocks to either take away or add to the shape by again using either other primitives or more subdivisions. The polygon mesh is made of edges. vertices and faces

After i resized the sphere to my liking, i copy and pasted the sphere to make multiple and placed them into the cone to appear like an ice cream and the slightly re sizing them so they are are not all perfect so that if i came to actually taking this to a rendering stage then it would be more realistic.

Box modelling is when you start off with a set primitive and you refine the image by adding more subdivisions to the primitive to made it more detailed and can be structured in the way you want. This make the shape more complex and this process can clearly be shown below.

Here you can clearly see how by adding sub divisions and then moving them and modelling them you can go from a box to a complex visual such as a head.

Finally, extrusion is another way in starting with a primitive and then transforming it into something with a high level of detail or just to make the design of something. It is done by adding more geometry to the original primitive by either pulling away at the subdivisions or pushing into them to give it indents. For example, my screenshots show how i started off with just a rectangle and by using "ctrl E" or the extrusion tool, i could pull away at the faces subdivisions to make a frame that it was coming out of the shape. although my example doesn't show it being exactly effective in a design idea way, it shows the use of this tool and how you can use it.

Maybe a more easy way to view it is simple on a primitive like the one below in which i just pulled out every other subdivision in one row creating a block to come out of the tube (doughnut) primitive.