Note that mobs can spawn in any dark space within range even if the spawner is fully lit.
Minecraft spawner range. Monster spawners work when a player is within a 16 radius circle. So you ll dig out the layer of floor underneath and ceiling two blocks above the spawner along with walls to four blocks out horizontally. 1 player spawning 1 1 world spawn 1 1 1 bedrock world spawn search 1 1 2 adventure mode 1 1 3 location 1 2 individual spawn 2 natural generation 2 1 animals 2 2 monsters 2 3 other mobs 3 spawn cycle 3 1 java edition 3 1 1 java edition mob cap 3 1 2 pack spawning 3 1 3 spawn conditions 3 1 4 notes. Prepare the spawner area by digging out the entire spawning range.
For a blaze or silverfish spawner a light level of 12 is required to prevent spawning. My guess is not more than 6 blocks away from the spawner on any side including top bottom. How many blocks a skeleton for example will spawn from the spawner. The 9 x 9 x 9 area mentioned is the area where if 6 or more of creatures that the spawner spawns then it will cap out and will not spawn anymore until those mobs are killed or leave that 9 x 9 x 9 area.
This generator is a fun tool that is intended to help minecraft players learn the basics of game commands and does not offer every option possible in the game. Spawning refers to players and mobs being created and placed in the minecraft world. The spawner will only spawn mobs if a player is within 16 blocks of it. For a spawner that generates mobs that spawn only in dark conditions light level 7 a torch placed on any side or top of the spawner is sufficient to disable it for the whole 9x9x3 volume.
A common trend among seasoned players is to create mob traps around mob spawners for an easy way to gather that mob s resources with little or no danger to themselves.