Look at wiki.


Or copy my and modify it but give credit.

@TeamBattaglia
Make a particle of pcln. Set a pscn dot adjacent to it. Sprk pscn. Put phot all around pcln. Erase phot. ad nscn and sprk it. put void around pcln except for direction of the beam.


Mine is a bit more complicated, but it uses basic principles. (If you need another example.)

@pegosh2
This.

@TeamBattaglia
I can help you - I am a great teacher, and one of my lasers is smaller than every other one, and yet the strongest and fastest laser in all of TPT

@andrewdavidloftus
which one

There's an article on it on the wiki IIRC