#AUV of the day goes to the Sentry! It’s basically a deep sea terrain cartographer and I love it ❤... #sentry #marinerobots #robots #deepsea #sketch #sketchbook #sketchstudy #penandink #ink #hardsurface #hardsurfacestudies #lalalichanart https://www.instagram.com/p/BqK6hB5BYIs/?utm_source=ig_tumblr_share&igshid=4ig1ektsthn4