This document describes the "Sunshine Radiator" brainstorming tool for generating new product ideas. The tool involves: 1) Articulating the problem or opportunity at the center of the process. 2) Listing attributes associated with the problem and drawing them radiating outward. 3) Dissecting each attribute with more details and symbols. 4) Randomly selecting attribute pairs and asking how they could be combined, modified, or substituted to address the original problem. 5) Iterating the process of attribute combination, dissection, and clustering until the best solutions emerge.