Are there specific design considerations when creating PVC paver molds for different shapes or patterns?

Question 1:

How does the flexibility of PVC influence the design process when creating intricate shapes and patterns for paver molds, and are there specific design challenges or advantages associated with this material?

Question 2:

Could you elaborate on the role of PVC's malleability in achieving a diverse range of shapes and patterns in paver molds, and are there certain design guidelines or limitations that manufacturers typically follow?

Question 3:

In the context of creating customized shapes or patterns, how do designers balance the aesthetic appeal with the structural integrity of PVC paver molds, and are there considerations for optimizing both aspects during the design phase?