The pain point of Ole B rotary users is that the brush head is too thick, the outer side of the molar may support the cheek pain after brushing, and the inner side of the brush may retch. This plan did not solve this pain point but further increased the thickness......
It is suggested to learn the mechanical structure of the SP-01 SunStar in Japan. It is estimated that the thickness is 3.2mm lower than the 11mm of Ole B.
The pain point of Ole B rotary users is that the brush head is too thick, the outer side of the molar may support the cheek pain after brushing, and the inner side of the brush may retch. This plan did not solve this pain point but further increased the thickness......
It is suggested to learn the mechanical structure of the SP-01 SunStar in Japan. It is estimated that the thickness is 3.2mm lower than the 11mm of Ole B.
Do you have the source files, can you send them to me for study? Thank you
Compared with the original picture, it is quite similar.