Mounted on this: https://electro.club/m/155913
For these turn signals: https://aliexpress.ru/item/4000433048492.html
Print two copies (one mirrored).
Use M8x30 (or longer) screws. Fix turn signals using cable ties.
Also check out front turn signals mount: https://www.printables.com/model/463335
The author marked this model as their own original creation. Imported from Thingiverse.