The full paper “Visualizing Interstellar’s Wormhole” is freely downloadable from AJP:

Visualizing Interstellar’s Wormhole
Published by the American Journal of Physics
Oliver James, Eugénie von Tunzelmann, Paul Franklin and Kip S. Thorne

Supplementary material for Visualizing Interstellar’s Wormhole can be found here.

This work is further described in “Gravitational Lensing by Spinning Black Holes in Astrophysics, and in the Movie Interstellar” which is available online at:

Gravitational Lensing by Spinning Black Holes in Astrophysics, and in the Movie Interstellar
Published by IoP in Classical and Quantum Gravity
James O, von Tunzelmann E, Franklin P and Thorne K S
2015 Class. Quantum Grav. 32 065001 

SUPPLEMENTARY MATERIAL for VISUALIZING INTERSTELLAR’S WORMHOLE

A voyage through a short wormhole with weak lensing as computed with our DNGR code.

High resolution longitute-latitude maps for use by students wishing to create their own wormhole simulations:

Figure 6a

Figure 6a

Figure 6b

Figure 6b

Figure 10

Figure 10