Based on the Dice's model to get the general shape and proportions right, i started modeling all the nessarary details to match the look and the details of the Rogue One version. Its a mix of Devastator-Avenger-Rogue One style.
Thanks
https://www.artstation.com/chrisgfx
for his invaluable help and proving props and references!
https://www.artstation.com/howard-day
for all his Vray guidance
https://www.artstation.com/fractalsponge
for his constant feedback and yelling at me about the proportions
https://www.artstation.com/echenry
for all the constructive critisism and keeping me sane with all the greeble madness.
https://www.artstation.com/pauljwiz
for his inspiring attitude and awesome renders to get ideas from
Devavenger_Turnaround_Vray