1. In a digital medium environment, a method implemented by at least one computing device, the method comprising: receiving, by the at least one computing device, three-dimensional digital content having a three-dimensional mesh of a plurality of vertices that include a characteristic of the three-dimensional content; forming, by the at least one computing device, a plurality of wedges from combinations of the plurality of vertices; transforming, by the at least one computing device, the characteristic for the plurality of vertices from a floating point representation to a fixed point representation, the fixed point representation including a plurality of values that have different respective amounts of significance in defining the characteristic; indexing, by the at least one computing device, the plurality of values based on the different respective amounts of significance and the formed plurality of wedges by ordering the plurality of wedges according to a combined amount of the significance of the values of the fixed point representations of a combination of the plurality of vertices that form respective wedges of the plurality of wedges; and controlling, by the at least one computing device, output of the three dimensional digital content based on the indexed plurality of values.