Just a block to hold 50 rounds of your fav bench ammo. Have tested with .308, 6.5 Creedmore, 7.62x39, 6.5x55

Cases with a rim will likely need to be printed 10% bigger (or I may make a big bore buddy).

There are holes on the edges for allen keys and small screwdrivers. Otherwise, it's pretty self-explanatory.