Electric Wheelchair With Joystick Joysticks On power wheelchairs may increase their ease of use and independence. Standard joysticks are not able to accommodate the unique characteristics of hand impairment. This study assessed the efficacy and satisfaction of custom-designed power wheelchair Joysticks made with 3D printing. The test was conducted using http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1680591