Apply two coats of black gesso on the canvas (Liquitex gesso is more liquid and is ideal for this project).
Mix Pébéo gloss gel with acrylic paint. In terms of quantities, I use one-part gel and two parts acrylic paint. Then, create some shapes with a square brush. Wait one hour before moving to the next step.
Mix the crystal grain acrylic gel with an acrylic paint of your choice. Make more shapes with a spatula this time, since this mixture is thicker than the first one.
Use a fluid acrylic paint with a nozzle thin enough to let the paint flow and create 3D lines (Liquitex Soft Body Acrylic is ideal for this step).
Once everything is dry, apply Krylon’s Crystal Clear Glaze spray varnish for a glossy finish.