Formula 1's new rules package for 2017 has reignited the development race between the teams, with new areas of the cars opened up to be exploited by the cleverest minds working behind the scenes.
We are bound to see more new approaches spring up over the course of the second test this week, with even more aggressive details likely to appear when the teams unload their cars in the Melbourne pitlane at the end of the month.
So far, we've already had plenty to get our teeth into, with the help of Giorgio Piola's detailed technical drawings, so let's take a look at the most interesting themes on the grid so far.