Context game suitable for casting

This is a remix of user dutchmogul's design modified to make it possible to make on a 3-axis CNC mill. Compared to the original, each letter is separated by minimum 3mm, so that a 3mm tool can remove the material between the letters. I used 3mm and 1mm flat end mills for for this job.

In addition the letters are organized differently to be better suited for milling a master that can be used to make a silicone mould for casting rather than 3D-printing. The main difference is that the letters