This example; created with revit; shows the final and initial result; of what we talked about in the first videos dedicated to how to create the roman aqueduct of segovia. here they found some ashlars created on the arches that they could learn to realize; step by step; thanks to our tutorials. thanks to this exercise; our followers can practice and try to improve; why not; our example. you dare? download it; improve it and re-upload it to bibliocad.com