Inkjet printer decals. Testors discontinued their Decal Bonder spray. After some experimenting, I found Krylon #1603 works well. Need to drill a 1/32" hole but your chuck only closes to 1/16"? 1/16"
Testors Decal Bonder | Scale models, Toothpaste
Testor's Testors 9200 Decal Bonder Refill Spray 3 Oz