Electric Wheelchair With Joystick Joysticks On power wheelchairs can significantly improve the user's independence and make it easier to use. Standardized joysticks may not be able to accommodate the unique characteristics of hand impairment. This study evaluated the efficacy and satisfaction of customizing power wheelchair joysticks fabricated with 3D printing http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1681872