Pascal de Bruijn wrote: > I'm aware this is a little offtopic as well, but could anybody perhaps > measure (phsyical dimensions) an i1d2 or colormunki smile for me? Hi, I'm not quite sure what you're after - perhaps a shadow template for positioning ? You could approximate it by a 31mm radius circle plus a 22mm radius circle at a center offset of 29mm. The Sensors exist within a depression about 15mm in diameter in the center of the 31mm radius circle. Graeme.