1. Feng Shui for HDB Tampines GreenEdge and Flying Star Feng Shui 2. This development mainly has stacks that are more suitable for people in the West group. 3. The three facing directions found here are NE1, NE3, and NW3. 3.1 NE1-facing units, such as stacks 570, 572, and 574, have the beneficial water wealth #8 star at the front. Units with a water feature at the front (balcony side) will enjoy good Feng Shui. This setup can activate the sum-of-ten, which supports health, wealth,