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I need help with building a 2x3 block swap without using observers or comparators, in java edition (1.15.2).

1x1 floor swap (functional) example I found online

1x1 wall swap (functional) another example I found online

I need to build this on a server that has no access to nether quartz (so no observer block and no comparator), but repeaters, slime blocks, honey blocks are okay. Any help would be appreciated, I've never been good with redstone devices, and this seems like a complicated task, even if I was good with redstone. Maybe I'm overthinking it?

Update: a bit of progress with this tutorial

(images below), even though this is an old tutorial, it is functional on java edition version 1.15.2.

Test 1 from tutorial (functional) test 1 top view test 1 back view

Test 2 from tutorial (functional) test 2 top test 2 back view

These blocks being swapped are not beside each other though

  • The contraption in the first image is at least rotation dependent. Maybe you wanted one of the repeaters on a different setting? – Fabian Röling Apr 16 at 13:20
  • The first two work fine, the third one I was having problems with – Julia Wosnack Apr 17 at 2:19
  • Try this video youtube.com/watch?v=06q6FkYTwGo – mystic will May 1 at 18:16
  • Note that redstone works very differently in MCBE than in MCJava, especially pistons have a lot of bugs unique to both editions and the redstone update order is different, so that might very well not help. But maybe it does, I haven't tried it. – Fabian Röling May 1 at 19:21
  • I tried it, it doesn't work in Java edition – Julia Wosnack May 8 at 17:17
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Yep, it’s really this easy: (see pic)enter image description here

| improve this answer | |
  • 1
    This is not flush with either wall or floor. – Fabian Röling May 2 at 7:40

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