Extended Reality technologies, including Virtual Reality (VR) and Augmented Reality (AR), are being applied in a wide variety of industrial applications, but their use within design practice remains very limited, despite some promising research activities in this area over the last 20 years. At the same time, design practice has been evolving to place greater emphasis on the role of the client or end-user in the design process through ‘co-creative design’ activities. Whilst offering many benefits, co-creative design activities also present challenges, notably in the communication between designers and non-designers, which can hinder innovation.

In this paper, we investigate the potential of a novel, projection-based AR system for the creation of design representations to support co-creative design sessions. The technology is tested through benchmarking experiments and in-situ trials conducted with two industrial partners. Performance metrics and qualitative feedback are used to evaluate the effectiveness of the new technology in supporting co-creative design sessions. Overall, AR technology allows quick, real-time modifications to the surfaces of a physical prototype to try out new ideas. Consequently, designers perceive the possibility to enhance the collaboration with the end-users participating in the session. Moreover, the quality and novelty of ideas generated whilst using projection-based AR outperform conventional sessions or handheld display AR sessions. Whilst the results of these early trials are not conclusive, the results suggest that projection-based AR design representations provide a promising approach to supporting co-creative design sessions.

包括虚拟现实（VR）和增强现实（AR）在内的扩展现实技术已在各种工业应用中得到应用，但是尽管在过去20年来在该领域进行了一些有希望的研究活动，但它们在设计实践中的使用仍然非常有限年份。同时，设计实践也在不断发展，通过“共同创意设计”活动来更加强调客户或最终用户在设计过程中的作用。共同创造设计活动虽然带来许多好处，但也带来了挑战，尤其是在设计师和非设计师之间的交流中，这会阻碍创新。

在本文中，我们研究了一种新颖的基于投影的AR系统在创建设计表示以支持共同创意设计会议方面的潜力。该技术通过基准测试和与两个行业合作伙伴进行的现场试验进行了测试。性能指标和定性反馈用于评估新技术在支持共同创意设计会议中的有效性。总体而言，AR技术允许对物理原型的表面进行快速，实时的修改，以尝试新的想法。因此，设计人员认为可以增强与参与会话的最终用户的协作。此外，在使用基于投影的AR时生成的想法的质量和新颖性优于常规会话或手持显示AR会话。