Balsa Foam: Is it laser safe and laserable?

[hansena]

And don’t forget to do the hot wire test before trying to laser it:

Proofgrade only?

and don’t forget the hot wire test: https://community.glowforge.com/t/how-to-determine-if-plastic-x-is-safe-to-use/648?u=hansena&source_topic_id=6046