📰00Solid Popellant Grain Casting Tools, MoldsReddit r/rocketry·u/jlfreese·about 1 month ago#FccLEbod#tools#casting#work#solid#popellant#article+2 more🧰Tag tools✨Add tagWhat are you using for casting tools to make propellant grains? Home made tools? Purchased tools? Where to purchase tools? Do 3D printed tools work? What works well? What does not work well?15s0Read later0Read More