Electric Wheelchair With Joystick Joysticks On power wheelchairs can enhance their use and independence. Standardized joysticks may not be able to accommodate the unique characteristics of hand disorders. This study assessed the effectiveness and satisfaction of custom-designed power wheelchair joysticks made using 3D printing technology. The evaluation was conducted using http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1681829