I know this was already an updated model, but I always thought the new model brakes too much the flow of the design apparent in the concept art.
(https://wiki.hard-light.net/images/5/53/Pvf_thoth.png)
So, I've done a new model:
And thanks to Nyx's guidance, it includes PBR textures:
(https://media.discordapp.net/attachments/223516619052285952/899854128644243486/unknown.png?width=1440&height=602)
Download (https://www.mediafire.com/file/opfvkds1eemuc1d/Thoth.zip/file)
Thanks EatThePath for converting the textures to bc7.