Cook the pasta according to the package. Strain and rinse.
In a mixing bowl, combine tomatoes, red onion, and cucumbers. Toss with pasta.
Drizzle Greek dressing over the pasta salad. Refrigerate for 1 hour before serving.
Serve with feta crumbles on top.
Notes
This pasta salad pairs great with grilled steak or chicken, or served as a quick vegetarian lunch option. The longer is can sit in the fridge, the more the flavors can marry and deepen.