I approximated the recipe (no myrtle here, so used blueberry-infused vodka - 3 days infustion), but the lime is much, much more powerful than the blueberry, so while tasty, it came out more limey than berry-y.
Used 60ml of Absolut Vodka and substitued Blackcurrent syrup mix for the creme de myrtile. A dash of soda water to soften and garnished with Strawberry & Blueberry.
It's a Bluemac Martini!