Foamcore is a versatile medium that is not scale specific and so I have used it for numerous projects in everything from ten millimetres to 28 millimetres. It comes in various thicknesses, but for most of my buildings I have found either the three millimetre or five millimetre to be ideal. It is strong and durable regardless of size, yet it is very light and easy to shape with a craft knife. You can find it in most craft or hobby shops in A4 or A3 sheets.
I use it to make the walls of
