Is it possible to slide multiple vertices along edges that point towards a certain point? As demonstrated in the first picture, I would like to slide the selected along the edges on the direction shown by the arrows, but simultaneously, so they are all equidistant from the center (without merging them).
The problem is that if I select them and slide them on the edges at the same time, they slide in the direction of my mouse cursor, and therefore will slide in different directions, as show in the second picture.
Push/pull would indeed bring them closer, but without sliding on the edges (basically only bringing them close on 2 axes). Is there any way to accomplish what both push/pull and slide do, simultaneously? Or another effective way of doing this transformation?