Pouring spout for metal petrol/gas canisters - 45mm

Some metal storage cans used for storage of flammable liquids (such as gas/petrol, thinners, paint materials) have a 45mm OD outlet however it's not a DIN45 thread as used on plastic petrol containers, as the thread depth is only about 1mm. 

I've made a pourer cap specific to this outlet I've seen used on 2L, 2.5L & 4L metal cans/containers. Straight and angled spouts have been added to the model files.

PETG or ABS filament is recommended since PLA can be dissolved by solvents such as acetone, ethyl acetate, thinners.