LaserUser.com Forum (formerly RDWorksLab)

Backup your system setting in the Laser - viewtopic.php?f=104&t=3459

Review our revised user manual-better English text than the originators.
Written for version 8.01.19 but useful regardless of the version you use - viewtopic.php?f=107&t=3507

Typical error new users experience - viewtopic.php?f=104&t=3477

These lists are not all inclusive.
If you are not sure what the material you have may be extreme caution is advised. Some toxic gases are odorless and tasteless.

What is safe to laser....what it not - here are some materials? - A method to identify material using a flame to Burn Test -
There are many more topics/issues you will encounter the FAQ and User Questions and Help Forums have some answers you may find useful.

If you have a scrap of starboard, I would try to cut it. I buy .25" recycled HDPE and while it is not the best of cuts, it is also not the worst. I hear a lot about starboard but have never seen it in real life [that I know of anyway]- a lot of sign makers love it.