| ABS
| Emits cyanide gas and tends to melt
| ABS does not cut well in a laser cutter. It tends to melt rather than vaporize, and has a higher chance of catching on fire and leaving behind melted gooey deposits on the vector cutting grid. It also does not engrave well (again, tends to melt).
|-
| HDPE/milk bottle plastic
List from [http://atxhackerspace.org/wiki/Laser_Cutter_Materials ATX hackerspace]'s wiki
[[File:Never_cut_list.pdf]]
== Hardware ==