Otra Ocra. Sacrificial metal electro-etching on aluminium plate. 13 x 10 cm.
Microdot made with acrylic paint as resist diluted with floor wax varnish.
Otra Ocra. Sacrificial metal electro-etching on aluminium plate. 13 x 10 cm.
Microdot made with acrylic paint as resist diluted with floor wax varnish.