this is a Tunnel bore Focused on being cheap but also haveing many feauters as you can see in the Images (better to see in the yt video). if you have any quistons or sugestion pls tell me in the comments. there is also one version using redstone blocks instat of redstone torches that you can find here:https://createmod.com/schematics/cwmcvrb-1-1-chunk-wide-miner-cheap-version-redstone-blocks