I was tried to be super accurate with it (e.g. there is exactly the same amount rungs in nozzle with same space between them). I used videos of sign prop, photos i found over internet and free AprilStorm design. Side and barrel adjusters can be rotated after glue and assembly.
Uploaded half of model (except body) you just need to mirror it.
Printed on Geetech A10
Res: 0.1
Infill: 0.2 for big parts and 0.8 for small (and Grip pattern).
The author hasn't provided the model origin yet.