I saw a lot of grenade snowball makers, but i didnt come across a flashbang version so I figured i'd make one for anyone who wants a little variety in their snowball arsenal. Its scalable if you want to make them even bigger or smaller (to save filament and test it out). 

After printing lock it together and pull it apart a few times to wear in the alignment pins smooth. A few times should make it much easier to pull apart but still tight enough to keep it squeezed together for storage.

Unfortunately all the snow melted after I finished this print so I had to use the grimy icy street snow so I'd love to see a pic of better use case snow!