You can now purchase it for Unity 3d Here

https://assetstore.unity.com/packages/3d/characters/creatures/oculon-eyeball-centipede-monster-game-enemy-185046

Or on Turbosquid:

https://www.turbosquid.com/3d-models/eyeball-centipede-monster-rigged-3d-1659444

There is nothing quite like the Centipede to really bring back the classics in game culture. In the 10 monster series, this one qualifies as my favorite. He was inspired from Lanmola, Legend of Zelda.

Lastly, you may view it or purchase it on Sketchfab:

Oculon, Centipede Monster, Rigged and Animated
by LB3D
on Sketchfab