Minecraft 1.18.2 mod generator in MCreator 2022.1 will support specifying custom ore generation shape and heights below 0 and above 256. Learn more on https://mcreator.net/changelog : r/MCreator
Give Ore Generator (Bedrock Edition)
Standard Config (Minecraft Ores) | Custom Ore Generation Wiki | Fandom
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Minecraft: Ore Generator Tutorials With Command Blocks On The Bedrock Edition - YouTube
SkyOreGen (Skyblock Ore Generator) Minecraft Data Pack