The applet is Theo Jansenīs mechanism, created by prof Hwang, modified layout by Ahmedelshfie.
Original applet [url=http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=2223]Theo Jansenīs mechanism[/url]

You can drag blue dots with mouse drag and drop.

/htdocs/ntnujava/ejsuser/37048/users/Eg/ahmed/jansenLeg2_pkg/jansenLeg2.propertiesFull screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
Download EJS jar file(1068.8kB):double click downloaded file to run it. (6 times by 3 users) , Download EJS source View EJS source