Not only do we make Smart Doll in Japan, we also employ Japanese design principles in its creation - there are 7 zen aesthetic design principles known as Wabi-Sabi of which we focus on three:-
FUKINSEI (不均整) Imbalanced. Beauty in imperfection, asymmetry.
SHIZEN (自然) Naturalness. Absence of pretense or artificiality.
DATSUZOKU (脱俗) Unworldly. Unconventional.
Wabi-Sabi (no not Wasabi!) states that beauty can only be achieved if there is a correlate amount of imperfection. Smart Doll is beautiful because it has imperfections which have been factored into the design not only on the 3D modeling level but also because we decided to use a traditional casting method called Slush Casting which by its nature introduces imperfections.
If you are working in design then understanding these values may inspire some of the work you do.