Peel raw shrimp and set aside
Cut watermelons into 2 cm thick circles or rectangles; slice cucumber and set aside
Blend oil and garlic at high speed for 3 seconds
Fry mixture for 3 minutes at 120º, add shrimp for 2 minutes, add lime juice, salt, and pepper; transfer to bowl
Layer watermelon disk, four cucumber slices, and three to four shrimp; repeat until three watermelon disks are stacked; drizzle with olive oil and shrimp juice before serving