Wrapping a mesh around point cloud with cavities I have a series of point clouds I want to convert to mesh (there are points inside the object, uniformly distributed, not only on the surface).

I want to generate a model of the surface of the point cloud. 

When the model is convex (like a cube or a sphere) applying a convex hull around the object is good enough but when the model has holes (like a torus (a.k.a. doughnut)) or cavities (like the area around the eyes in a head model or the area around the steam in a glass of wine) those concave features are lost.

Is there a way to wrap a mesh around a point cloud in a "convex hull style" without loosing the cavities?

It doesn't need to be perfect, a reasonable approximation of the geometry of the object would be good enough.
There is a cool addon called Point Cloud Skinner that can build mesh from point cloud data. (By Hans.P.G)


Download and install it;
Find the Point Cloud Skinner panel in Scene tab;
Tweak the parameters as instructed until you get a good-enough result;
For complicated data, additional manual fix may be required, such as filling holes or clearing elements.