Hi Prof Hwang

Can EJS_4.3.0_100613\EJS_4.3.0 produce 3d springs [img]http://www.phy.ntnu.edu.tw/ntnujava/index.php?action=dlattach;topic=1836.0;attach=3005;image[/img]?
any idea what must i toggle on add the create spring in Ejs 4.3?[img]http://www.phy.ntnu.edu.tw/ntnujava/index.php?action=dlattach;topic=1836.0;attach=3006;image[/img]
or is it a bug in EJS_4.3.0_100613 ?

In EJS_4.2.7_100314 the codes work
[img]http://www.phy.ntnu.edu.tw/ntnujava/index.php?action=dlattach;topic=1836.0;attach=3003;image[/img]
strange?