The top coat dries faster than the medium underneath, causing it to shrink and split apart.
Before we dive into the "how," let's look at the "why." Cracking canvas (or the paint/varnish on top of it) adds:
Have you tried one of these methods? Share a photo of your cracked canvas in the comments below. easy canvas crack
Use light, single strokes in one direction. Do not go back over a section once painted, or you will mix the glue and paint, ruining the effect.
If you are painting a new canvas and want the paint to crack, is your best friend. This is the industry standard for a controlled, easy canvas crack. The top coat dries faster than the medium
This is the easiest way to get immediate results using materials you likely already have.
Now that you know the method, what should you make? Use light, single strokes in one direction
You no longer need to wait 100 years for your art to look antique. With a bottle of crackle medium, a freezer, or some crackle paste, you have the power to achieve an on demand.