Esses decals me lembram o "Surface Details" da Archer - detalhes 3D em resina sobre decals.
Vejam aqui:
http://www.archertransfers.com...faceDetailsMain.html
https://www.youtube.com/watch?v=aptnvFeEqio
A DEF Models fabrica coisas desse tipo:
http://defmodel.com/catalog/htm/dd35005.html
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