After it is dried apply another layer of acrylic paint, which has a different colour, than the first layer. The depth and the network of the cracks depends on the thickness of the layer and on the technique of the application.
PENTART - CRACKLE - FINELINE CRACKLE VARNINSH
PENTART - CRACKLE - CLASSIC CRACKLE VARNISH
PENTART - CRACKLE - 3D CRACKING PASTE PRIMER
PENTART -CRACKLE - CRACKING PASTE - BLACK
PENTART -CRACKLE - CRACKING PASTE - WHITE
PENTART - CRACKLE - STENCIL CLEANER