1.16+) EASIEST TNT DUPLICATOR IN MINECRAFT - YouTube
A Simple TNT Pressure Plate Trap That Actually Works! « Minecraft :: WonderHowTo
5 Way TNT Duping Module (1.14 snapshots) - YouTube
The final version of my blast chamber cobblestone generator based the design by CubicMetre, ilmango and LittleMouse. 30gt cycle 144k/hr 224-256/ tnt 600 tnt/hr. 20-30 mspt on an awful, old laptop. : r/technicalminecraft