34

I'm playing Skyblock, and after getting my cobblestone generator working, I'm planning on a total revamp of my entire little sky-island. However, I want to make certain that I don't lose important stuff (like dirt), so I want to build a safety net under my island.

So I'm left with a problem very similar to this one: "Is it possible to lay a block adjacent to another without looking at the face of the existing block?", except I need to build down so shift doesn't help.

How can I do this?

Oh, and there is no ground, it's just void beneath me, so dropping sand or gravel is out of the question (that, and I have no sand or gravel to drop).

  • Purely out of curiosity, what happens when things fall to the bottom of the world? Do they vanish, or is there a layer of solid material at the bottom that is just too far down for you to fall to safely? – jprete Nov 12 '11 at 4:10
  • @jprete "The Void" is the name for territory officially outside the world. Things that fall into The Void are deleted. This includes, well, everything. So, the answer is that they vanish. Note that usually there is a layer of unbreakable blocks (bedrock) at the bottom of the world, but I'm playing a specially made map without those. – John the Green Nov 12 '11 at 4:36
47
+200

Place water and lava on adjacent sides of the block.

Top view:

  D L
  W

When they flow it creates a column of cobble you can dig through.

Side view:

  W D L
↓ ↓ C ↓ ↓
↓ ↓ C ↓ ↓
↓ ↓ C ↓ ↓
↓ ↓ C ↓ ↓
D = Dirt
C = Cobblestone
W = Water
L = Lava
↓ = Flowing water/lava
  • 8
    Bonus points for being safer and generating cobblestone instead of requiring it. – John the Green Nov 11 '11 at 22:41
  • 6
    This is a good way, but make sure to put the lava down before the water. Otherwise, your lava gets turned into obsidian. – Lily Chung Nov 30 '11 at 21:36
  • 3
    Is it just me or is there a mismatch between the side and top view? – Hello World Apr 14 '14 at 5:15
  • @HelloWorld: yes, I found the discrepancy confusing as well. However the topdown view worked for me. I wonder whether Ronan intended the "side view" to be some kind of unwrapped "corner-on" view. – ziggurism Oct 30 '15 at 4:28
  • 1
    The side view makes sense if you consider it to be isometric. Hard to convey that via text, though. – Keaanu Apr 19 '16 at 20:16
26

Use water scaffolding.

Check out this video at about 10:00 to see water scaffolding in use.

enter image description here

  • 3
    Oh wow. I think I'll practice that with an empty inventory for a while. – John the Green Nov 11 '11 at 20:35
  • 3
    Would you happen to know of a way that will work in the Nether also? – John the Green Nov 11 '11 at 20:58
  • And while you have a waterfall, generate a lavafall nearby (be careful to not turn your lava source into obsidian!) for a nice big batch of cobblestone going all the way down. – Martin Sojka Nov 11 '11 at 21:02
  • @MartinSojka I tried that several times, because I knew I had got it to work before, but I'd had to start over and couldn't get it working again. – John the Green Nov 11 '11 at 22:24
7

The lava/water method seems easiest, but if you don't have lava, you could also use a piston to push a bunch of blocks down, one at a time. Then mine safely down at that same spot. Make sure not to mine too far

  • Would you happen to, for this answer, have any hint as how to place a piston facing down? Best I could achieve, with my limited knowledge, is to build a 4-block pillar in front of me: I dig the 2 lower blocks (for my height), then get under, dig the block above me, then place the piston, and finally put back 2 blocks under it, so they can push the block I want down. It's the only way I got it to face down. Is there an easier way? Because it sucks (but it does work) to rebuild that for every block I want to push down - I'm trying to build a descending way, pretty much like the OP. – Charles Roberto Canato Mar 10 '17 at 17:53
2

build 2 rows of 2 separated by 1 space out horizontally from the edge. Put lava on the edge so it spreads over the 2 blocks - cover the lava with a block - put water on the block you have covered it with (preferably channelled with other blocks.

eg first layer looking down from above (. is empty space)

CCD
.LD
CCD

second layer (A = Any solid block)

.AA
.AA 
.AA

third layer

.A 
.WA
.A

Remove water, place in cobblestone generator - remove covering blocks, get lava and place in generator - get enough for a platform under the dirt. Pillar down on the column you created, and make your platform - I would suggest three below the bottom of the dirt as this places you on a nice level for the bridge to the sand island, no risk of accidentally knocking it and, once you have thinned the dirt overhead to the top layer, you can put cobble stone directly under it leaving room on the platform for other builds

(Hint I have used slabs for the bridge to the sand, uses half the amount of cobblestone)

  • Hi Heregerifa, welcome to the Arqade! I used the code markup (four spaces in front of lines, or click the {} button when marking the lines) to make your instructions hopefully more legible. Also, there's no rush, so no ones blames you for nto swppaing lteters ;-) – Zommuter Sep 1 '12 at 21:31
2

You can place water on a block, swim down the water, and place the blocks on the block yo want it under. Make a line of blocks with one block sticking out. Swim up the water and collect it. Hop down to the block that is sticking out and build from there. You can destroy the blocks going straight down if you like.

2

The actual easiest way to build down is using climbing rope from the Literal Ascension (that's included in the mod pack) mod since you already have silk from the silk worms. It takes 3 silk in a diagonal pattern. You can then attach it to the side of a block and it continue adding to it right from the top and it will build downwards automatically. Holding the SHIFT key will stop you from climbing easily allowing you to place blocks.

1

Actually, there's a quite useful way that is similar to what's been suggested here, although it depends on a recent version (with water logged blocks). However, if you continue going in the same patter, you generate a 3 wide pillar of blocks down to level 1. It does require 2 buckets, one with lava and one with water. You start on the side of the island where you have three blocks together. Using slabs (wood might work, but depends on fire spread conditions, stone is better), you put 2 slabs out and then mine the one between them (so you get this:

III
AAA
ASA

Where each A is air. once you have this, you put lava in the middle square (against the Side of the slab). After waiting a bit for it to get fully down, you pick up the lava and quickly place the water in the slab (waterlogging the slab). You end up with this pattern:

III
CCC
ASA

Where the C is the cobble or stone that was generated. You then add another slab, remove the one in the middle and repeat.

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