This command allows you to see a few meters through stone. This concept is survival freindly and not to OP
VIDEO
How to install
How to import this command into your world
First, you must give yourself a command block (If you are on a server, you must be 'OP'ed, and have access to /gamemode 1)
To get a command block, type
/give @p command_block in the chat.
Once you have a command block, right click it to open it's GUI.
Now, you must copy and paste the command from your browser into the game. Select the entire command from below, then right click and press 'copy'.
Next, go back to your minecraft world, and paste the command you just copied into the command block. There are a few different keys that may be used to do this, depending on your keyboard. The most common ones are 'CTRL + V', 'COMMAND + V', or 'STRG + V'
Finally, you can press done to exit the GUI, and execute the command block by powering it with a redstone block, a lever, or any thing you can get your grubby hands on. Just make sure you don't place it on top of the command block, or the machine will not be installed!
Show source commands
# This user did not upload the source commands!
/summon FallingSand ~ ~1 ~ {Block:redstone_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~ ~ ~1 ~ ~-23 ~1 redstone_block},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~ ~2 ~ ~ ~-24 ~1 air},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~3 ~-8 ~ {Block:command_block,Time:1,TileEntityData:{Command:fill ~ ~ ~-1 ~6 ~ ~1 quartz_block}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:scoreboard objectives add XRayCraft dummy},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:scoreboard objectives add XRayHolding dummy},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~4 ~-15 ~-1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:execute @e[score_XRayCraft_min=1,score_XRayCraft=1] ~ ~ ~ execute @e[r=1,score_XRayCraft_min=2,score_XRayCraft=2] ~ ~ ~ execute @e[r=1,score_XRayCraft_min=3,score_XRayCraft=3] ~ ~ ~ kill @e[type=Item,r=5,score_XRayCraft_min=1,score_XRayCraft=3]},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:scoreboard players set @a XRayHolding 0},Time:1,}}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~5 ~-14 ~-1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:execute @a ~ ~ ~ fill ~-5 ~-5 ~-5 ~5 ~5 ~5 stone 0 replace barrier 0},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~6 ~-13 ~-1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:effect @a[score_XRayHolding_min=1] blindness 2 0 true},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~7 ~-12 ~-1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:effect @a[score_XRayHolding_min=1] mining_fatigue 60 0 true},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~8 ~-11 ~-1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:scoreboard players set @e[type=Item] XRayCraft 1 {Item:{id:"minecraft:nether_star"}}},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~9 ~-10 ~-1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:scoreboard players set @e[type=Item] XRayCraft 3 {Item:{id:"minecraft:enchanted_book",tag:{StoredEnchantments:[{lvl:3s,id:35s}]}}}},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~4 ~-10 ~1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:scoreboard players set @a XRayHolding 1 {SelectedItem:{id:minecraft:prismarine_crystals,tag:{display:{Name:"X-Ray Emitter",Lore:["Range: 5 Blocks"]},ench:[]}}}},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~5 ~-9 ~1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:execute @a[score_XRayHolding_min=1] ~ ~ ~ fill ~-5 ~-5 ~-5 ~5 ~5 ~5 barrier 0 replace stone 0},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~6 ~-8 ~1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:effect @a[score_XRayHolding_min=1] slowness 1 255 true},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~7 ~-7 ~1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:execute @a[score_XRayHolding_min=1] ~ ~ ~ particle depthsuspend ~ ~ ~ 1 1 1 0 100},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~8 ~-6 ~1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:scoreboard players set @e[type=Item] XRayCraft 2 {Item:{id:"minecraft:diamond_block"}}},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:summon FallingSand ~9 ~-5 ~1 {Block:quartz_block,Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:execute @e[score_XRayCraft_min=1,score_XRayCraft=1] ~ ~ ~ execute @e[r=1,score_XRayCraft_min=2,score_XRayCraft=2] ~ ~ ~ execute @e[r=1,score_XRayCraft_min=3,score_XRayCraft=3] ~ ~ ~ summon Item ~ ~ ~ {Item:{id:"minecraft:prismarine_crystals",Count:1,Damage:0,tag:{display:{Name:X-Ray Emitter,Lore:["Range: 5 Blocks"]},ench:[]}}}},Time:1,}}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:gamerule commandBlockOutput false},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~3 ~-4 ~ ~9 ~-3 ~ redstone_block},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:setblock ~3 ~-3 ~-1 command_block 0 replace {Command:fill ~ ~ ~1 ~6 ~1 ~1 stone 0 replace redstone_block}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:setblock ~3 ~-2 ~1 command_block 0 replace {Command:fill ~ ~ ~-1 ~6 ~1 ~-1 redstone_block 0 replace stone}},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~2 ~-1 ~-2 ~10 ~0 ~2 stained_glass 0 replace quartz_block},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~3 ~ ~-1 ~9 ~4 ~1 air 0 replace quartz_block},Time:1,Riding:{id:FallingSand,Block:command_block,TileEntityData:{Command:fill ~2 ~ ~-2 ~10 ~3 ~2 quartz_block},Time:1,Riding:{id:FallingSand,Block:stone,Time:1}}}}}}}}}}}}}}}}}}}}}}}}}}