Instructions: Mouse controls; click on an edge square to fire a laser, click on a mirror at the side to select a type of mirror and in the main arena to place that mirror. Use the Check button to verify your solution.
<a href="http://www.funpuzzlesgames.eu/index.php?og=Filament%3E%3E%3E%3E3aa76a5a42619430&ogc=Puzzles" target="_blank">Filament</a>