PH 5 light, by Poul Henningsen for Louis Poulsen, 1958, features a pressed aluminium diffuser, painted matte white to produce a uniform light, and frosted glass
PH Snowball light, by Poul Henningsen for Louis Poulsen, 1958, features a pressed aluminium diffuser with matte painted undersurfaces and glossy top surfaces to reflect the diffused light