DSK kernels are “Digital Shapes”. This files can be used for such things as creating a mesh of Phobos, one of Mars' natural satellites.

A procedural mesh created from DSK Data, minus textures
The Unreal Engine procedural mesh component allows its current contents to be saved as a static mesh.

DSK Data Saved as a static mesh
More information can be found by downloading the SPICE DSK Tutorial:
https://naif.jpl.nasa.gov/pub/naif/toolkit_docs/Tutorials/pdf/individual_docs/37_dsk.pdf