Holder for AVA foam cannon holder for mounting on biltema pegboard
(or other with 12mm hole spacing 4mm holes, model has 60mm c-c hole and peg spacing)
Remove the lower supporting pegs and it should also just be wall mountable with screws as well.

the cup section is 93mm in diameter, will probably fit other foam cannons or other bottles, cad files provided for easy adaptation to fit your needs.

(printed with some wet PETG, printed fine on the next one after i dried it.)