Use up arrow to zoom in, down arrow to zoom out. Use C to go faster, V to go slower. Use the number keys to jump to various zoom levels. 1: Block-scale 2: Indev limits 3: Far Lands 4: 32-bit limit 5: Chunk overwrite limit 6: Stripe Lands 7: 64-bit limit 8: Fringe Lands 9: Single Precision Float Limit 0: Double Precision Float Limit
This is a scale map of Minecraft's various world limits, including the Far Lands and others, all the way out to 179e306, the maximum possible number allowed by Minecraft (and by Scratch, for that matter).