0 (of a drawing) done without the help of any special equipment for accurately creating circles, straight lines, symbols, etc.:
a freehand sketch
1 (of a design or picture) drawn while holding a pen, pencil, etc., without the help of any special equipment:
A modified block matching method for real-time freehand strain imaging.
Drawing on the back of an envelope: a framework for interacting with application programs by freehand drawing.
Figures should be professionally drawn and photographed; freehand or typewritten lettering is unacceptable.
Is there a way to include freehand sketches, and how and by whom should they be chosen?
The panel was sketched freehand, paying particular attention to areas of fading, detail or difficulty.
However, a few words were not from this database, and the pictures for these words were drawn freehand as black-and-white line drawings.
However, there remains the sense that for the architects interviewed, the freehand drawing acts as an essential bridge between the imagined and real worlds.
Even at this stage the architects interviewed undertake design modification initially via the freehand sketch.
