I know there are some posts about building foundation like conveyor belts (in a line).
But i want to go a step further: I want a feature for foundation, that you can click one foundation and then span a square of foundation until you click the diagonal corner.
So to build a AxB elements foundation you have to click only two times (the X) - Sample with 5x5 elements:
I think that should speed-up factory bulding very much. :)