Ear pression scan for Hearing-Aid design

This video would show you how to make hearing-Aid with 3D scanner. How to take ear impression, how to do ear impression scan? BTW, only the scanning parts are shoot by me. the left part are from other Youtuber. Combined them together only want to show you the whole process for hearing-aid making. Details PM: Nancy (Lanzi Luo) WhatsApp: 86-15652619522 E-mail: @ @