Question: To keep the fabric flower petal folds in place while cutting excess fabric.
Options:
Fold your fabric square for the flower petal to desired shape.  Place a c clamp at the center to keep petals folded in place.  Cut excess fabric from bottom of petal.
Fold your fabric square for the flower petal to desired shape.  Place a binder clip at the center to keep petals folded in place.  Cut excess fabric from bottom of petal.
Answer: Fold your fabric square for the flower petal to desired shape.  Place a binder clip at the center to keep petals folded in place.  Cut excess fabric from bottom of petal.