Opaque or translucent materials can produce shadows. Opaque materials, like a brick or a toy, completely block light and create a shadow on the opposite side of where the light is coming from.

At this year's IDS, Lithoz will showcase its brand new LithaBite alumina material for 3D-printed translucent orthodontic ...

materials. Transparent substances, like water and glass, allow light to pass through them. This means objects can be seen clearly through a transparent substance. Translucent close translucentA ...