I don't know if it's to do with the grid system , but thing that really cheesed me off
is the fact that ramps don't intersect each other.
With my actual lego blocks I can intersect ramps , but on BL it's annoying if you want to make a circular door because if you make it disappear , you see an empty space when it disappears. Durr , that probably sounds wrong. As In you see an empty space either side of the door , from putting in the ramps and such.
If this is a grid problem , just tell me.
I hate that goddamn grid. Optimization my arse.