I WOULD like to place and adjust—with a slider—the position of a rectangle to be drawn and controlled along the Y-axis. The regular “Rectangle” block has at the top left, “P” for Plane, a rectangle base plane and seeks one locally defined value, World ZX.

Despite trying various combinations, I’ve yet to work it out the format for the plane description. This is a basic question I’m hoping someone can answer easily. I’m sure it’s simple. Any answer here could help other beginners as well. We were all beginners once!

(the goal is to loft three or more such rectangles along the Y-axis.)