Change the fluidity of your acrylics or acrylic inks from the Amsterdam Standard and Expert series by adding an Amsterdam smoothing medium. This medium is specifically developed to be self-leveling and to increase the flexibility of the paint film to prevent cracking. Depending on the desired fluidity, you can change the mixing ratio as you like.
 For the honeycomb effects add a few drops of silicone oil or for large honeycombs add a little beef gall (Ox Gall an additive for watercolor)