I sanded. I cleaned. I painted. Then it happened. My paint crackled. Oh, snap!
I'm convinced you can't predict and prevent paint from crackling.
However, you can always fix them!
Step 1 - Sand the area all the way down to nothing. Clean off dust completely.
During times like this, I find I'm a bit crabby. I recommend sanding alone.
(FYI: paint drips can be fixed with the same steps)
Step 2 - Repaint area. Try to avoid heavy coats. Spray lightly. Add a second light coat. If you still see patched area, add a third coat. Spray and blend paint with entire area of piece after the second coat.
Tah, dah! Can't tell where I patched.
Like the Dora the Explorer reflection from my daughter's pillow? Just keeping it real. :)
Anyway...headboard turned out great!
I get the most crackle incidents with glass.
Once I sand, clean and repaint - crackle, snap and pop always go away.
Be patient...sand and repaint! The end result will make you happy.