Penumbra is from the series of works created for the exhibition Pattern Evolution in 2024.

It is an original abstract acrylic painting on cradled wood panel, finished with a satin acrylic varnish.

The artwork is framed in Tasmanian oak frame, and has D-rings attached to the back of the frame for hanging.

The painting is 90 × 100cm. Framed, the work is 93 × 103cm, with a depth of 4cm.