suitable for being sketched.
Origin of sketchable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for sketchable
Historical Examples of sketchable
The windows looked out on a paintable series of backyards: on a sketchable huddle of old, stained, leaning wooden houses.Out of the Air
Inez Haynes Irwin