Before diving straight into the modeling, we will need to make sure our mesh is set up in way that we will find easy to work with. For this, we will need to set up polygroups. By setting up some basic polygroups, this will allow us to quickly select or hide parts of the model that we want to work on or will need to easily mask.

To set up the polygroups, we can use a quick technique to get this done:

Now that we have the polygroups set out, we can use these to hide parts of the mesh in order to make working with the model easier. To hide any part of the model, press Ctrl and left-click on the polygroup we want to be visible. When we want to unhide other polygroups, we can press...