Wingspan Feeder Funnel (reinforced)

Remix of mariaheide008's https://www.thingiverse.com/thing:4974216

The triangular "wings" and the slot-tabs broke off. I added material for better support.

Funnel fits 

gexgecko's Dice Box    https://www.printables.com/model/158554-wingspan-dice-boxtowerbirdfeeder-flat-pack-fix-rem

and

Unserfamily's dice tower https://www.thingiverse.com/thing:4615724