Huge threads abound about this. Just search masking.
Here’s just one:
https://community.glowforge.com/t/use-vinyl-transfer-paper-as-masking-for-non-proofgrade-materials/11672Also this might help:
https://community.glowforge.com/t/masking-not-adhering-to-wood-well-try-sanding-your-piece-first/20181