Pantheon Tactical Airsoft shows the X-E15 CAT,  a 3D-printed cheap anti-tank (CAT) launcher just for airsoft use... "This item is a perfect build for your airsoft loadout for 2023. Its one of the cheapest 40mm launchers on the market. And can be made in your own home if you own a 3d printer. The files for this item is found on thingiverse."