public IEnumerable<Model3D> CreateModels()
{
for (int i = 0; i < this.meshBuilders.Count; i++)
{
var material = this.materials[i];
var mesh = this.meshBuilders[i].ToMesh();
var model = new GeometryModel3D { Geometry = mesh, Material = material, BackMaterial = material };
yield return model;
}
}