Need Help Adding Separate Geometry to a Curved Mesh Surface

Is there a way to add protruding geometry to a mesh? I tried using deconstruct brep to separate the grid I placed on my surface, but I want to add a series of spikes (which will be the additional 3d mass) to my surface.

general (4.1 KB)
General shape.3dm (51.3 KB)

Why use TweenCrv :question:

Both Loft components in the purple group generate the same surface, with or without it.

Spikes :question:


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