Proposition and Design of a Skill Learning Environment for Drawing onto 3D Objects Using AR

Japanese traditional art works, like ceramics painting, need some skills of painting onto three-dimensional objects. Training is needed for a long time to get their skills. Therefore, it is difficult for novices to draw pictures they want. This is the reason that we developed the drawing learning support system using AR. There are two barriers for novice learners to learn drawing, difficulty of fixing their mistakes, and a lot of cost for learning. Using the system, the learner is able to break through these barriers. Our final goal is to develop a skill learning environment for drawing onto 3D objects. The environment assists a learner to get skills for drawing lines keeping uniform width. This skill is available to draw lines with various widths that the learner wants. To accomplish it, the system overlays strokes by AR, and gives advice using text or voices. First, the learner traces strokes overlaid on an object. Next, the system diagnoses the learner's stroke. Finally, the system gives advice to the learner by text or voices. In this paper, we propose and explain the design of the skill learning environment for drawing onto 3D objects using AR