https://www.wilton.com/creating-lattice-on-the-side-of-a-cake/WLTECH-346.html
Creating Lattice on the Side of a Cake
The intersecting teardrop shapes provide heightened texture, especially if you fill in the spaces between teardrops with sugar pearls or piped dots or stars.
Skill Level:
None
Additional Information

Step 1
Use the cake divider and a toothpick to mark your cake at top and bottom in equal divisions. Mark each division in half.

Step 2
Use plastic ruler to mark diagonal lines from top to bottom markings at desired angle.

Step 3
Mark intersecting diagonal lines from bottom to top markings.
Tools