Modelling methods I used for the Robotic Arm tutorial

Within this tutorial the main method of modelling was box modelling however there was in one part of the tutorial that extrusion modelling was used. Extrusion modelling is when you use the same shape and simply extend the faces of the shape instead of using different shapes. Here are some screenshots of extrusion modelling

Extrusion modelling is very usefull for character modelling as it is easier to do high detail using extrusion modelling mainly because of the small shapes that can be created one after another with fine detail.