  In recent years, the field of generative artificial intelligence,
particularly in the domain of image generation, has exerted a profound
influence on society. Despite the capability of AI to produce images of high
quality, the augmentation of users' drawing abilities through the provision of
drawing support systems emerges as a challenging issue. In this study, we
propose that a cognitive factor, specifically, the size of the canvas, may
exert a considerable influence on the outcomes of imitative drawing sketches
when utilizing reference images. To investigate this hypothesis, a web based
drawing interface was utilized, designed specifically to evaluate the effect of
the canvas size's proportionality to the reference image on the fidelity of the
drawings produced. The findings from our research lend credence to the
hypothesis that a drawing interface, featuring a canvas whose dimensions
closely match those of the reference image, markedly improves the precision of
user-generated sketches.
