D2311 by @ianwill This is the radial control that appears when we change the size of a brush in sculpt and vertex and texture painting modes, by pressing "f". Also includes a new built-in shader that can be useful in other places. Part of T49043
D2311 by @ianwill This is the radial control that appears when we change the size of a brush in sculpt and vertex and texture painting modes, by pressing "f". Also includes a new built-in shader that can be useful in other places. Part of T49043