This is an adult-sized cartoon-accurate model of the Insecticon Bombshell's blaster from Transformers. No moving parts, but it's super cool! The model is made for FDM printers, but should work fine on resin.
Printer instructions: Print one of each part and stick them together!
http://www.itsg1ish.com/models/b192344d-c899-4a14-80b2-9abfdd9b107d
The author hasn't provided the model origin yet.