Single sided Whiteboard (dry erase) with an MDF back.
Glowforge Users: Use Thick Draftboard settings
Perfect substitute for any wood that would end up painted white. Our marker board can be sublimated although colors might be a bit dull when compared to sublimation done on Unisub hardboard.
Suggested settings are a starting point. Always test a small cut/engraving before running an entire project.