v-carved inlays take some getting used too, but boil down to two things:
a) not forgetting to horizontally flip the vector to create the toolpath for the male part of the inlay
b) using the “start depth” parameter to your advantage for the male inlay. The process I described in the article is when using VCarve software, but there is a good tutorial to do the same using Carbide Create advanced v-carve: