This is a four-petals version of simple origami bell flower.

It is five-petals version of paper bell flower which requires an intermediate level of origami folding skill.

This origami Canterbury bell flower has five petals. One special folding technique that you need to learn to apply for this model is petal-fold.

This origami lily of the valley has six petals. One special folding technique that you need to learn from this model is petal-fold.