This pattern is a sequence of three Doji. The occurrence of this pattern is extremely rare so when it occurs it should not be ignored.
1. The market is characterized by a prevailing downtrend.
2. Three consecutive Doji are seen.
3. The second day gaps below the first and the third.
Pattern Requirements and Flexibility
The Bullish Three Star consists of three consecutive Doji in which the second Doji gaps below the other two Doji. It is sufficient that the gap is a body gap. There is no need for a gap between shadows.