This technique is a BrainWriting technique and a variant on Pin Cards, but you pass evolving sketches rather than growing written lists of ideas around the group. As usual with most brain-writing techniques, only limited facilitation skill is needed.
Brainwriting is a technique for generating new ideas which is appropriate for product designer and product design development groups The brainwriting technique is one aspect of group/individual new ideas generating techniques which has been modified to fill up some of the weak points often associated with Brainstorming.
The Brainstorming technique is probably the best-known technique used by groups to generate new ideas This technique is usually performed by groups of people during a meeting in order to generate new ideas, and it is carried out through verbal communication. Therefore, verbal aggressiveness may occur during the brainstorming session if the participants do not adhere strictly to the rules. To counter this limitation, the Brainwriting technique has been developed to avoid verbal conflict and possibly slow reactions from the brainstorming group
How to do ? Step 1
1. A group of 4-8 people sit around a table, or in a circle of chairs. They need to be far enough apart to have some privacy. The problem statement is agreed, and discussed until understood.
2. Each participant privately draws one or more sketches (each on separate sheets of paper) of how it might be solved, passing each sketch on to the person on their right when it is finished. The facilitator suggests that sketches should not take more than 5 minutes or so to draw.
3. Participants take the sketches passed on to them and either develop or annotate them, or use them to stimulate new sketches of their own, passing the amended original and/or any new sketches on to their neighbour when ready.
4. After the process has been running for a suitable period and/or energy is running lower, the sketches are collected in.
5. It will probably help to display all the sketches and to discuss them in turn for clarification and comment.