A luminaire comprising: a heat sink

A luminaire comprising: a heat sink;a light source carried by the heat sink and configured to emit a source light, the light source comprising a heat spreader having an inner surface and an outer surface, and a plurality of light-emitting diodes (LEDs) carried by a circuit board and disposed generally along an outer peripheral perimeter portion of the inner surface of the heat spreader, and positioned in thermal communication with the heat spreader; a reflector disposed generally coextensive with the plurality of LEDs and comprising an aperture formed in a medial region thereof, an outer edge of the aperture defining an inner rim of the reflector; and a light guide positioned between the reflector and the light source, the light guide including a light spreader, defined as at least one of a plurality of deformations and a plurality of lens portions, configured to change the source light into a first shaped light; wherein the source light is emitted from the light source incident upon the reflector, and is changed by the light spreader of the light guide into the first shaped light that is directed by the light guide through the aperture.