An anchor at the middle of the bottom edge. This object has an alias in the top-level package o1, so it’s accessible to students simply via import o1.*.
Returns an absolute anchor the Pos of the anchoring point within the given Pic or other anchorable object, relative to the object’s top left-hand corner.
Returns an absolute anchor the Pos of the anchoring point within the given Pic or other anchorable object, relative to the object’s top left-hand corner.
