Uploaded November 2021 | Updated September 2026, 2 weeks ago
Thank you for 222 subscribers! To celebrate this milestone, I have for you a 2-video series for this tiny 5x5 Cave Door I built. It has an intensely high density, at 95.98%, and is only 9x9x4=324 Blocks, currently the smallest in the world. This door also holds 3 records simultaneously.
Feel free to comment down below if you have any problems when building this door.
Explanation video link:
youtu.be/UzUWkcC-XK0
World download:
mega.nz/file/RMpQWJrC#CQ0GQvGrOX0PuucDdiXsSOFJxuWidIrPkqHU1dVJQZY
Uses peterjiangTW's ocd+ texture pack.
Version used: 1.17+
Video link:
youtube.com/watch?v=2O1jncLz8JM
Uses the G4mespeed mod by G4me4u.
Version used: 1.17.0
Video link:
youtube.com/watch?v=lRvNknl0QPM
Detailed specs:
5x5 Cave Door
By: MYuen222
Size: 324 (9x9x4)
Record: Smallest, Smallest Semi Flush, Smallest Full Flush
Versions: 1.13+
Date of completion: 26/03/2021 17:18 UTC+8
Additional Information: Clockless, Sandless, Entityless
Thanks for watching.
Thank you for 222 subscribers! To celebrate this milestone, I have for you a 2-video series for this tiny 5x5 Cave Door I built. It has an intensely high density, at 95.98%, and is only 9x9x4=324 Blocks, currently the smallest in the world. This door also holds 3 records simultaneously.
Feel free to comment down below if you have any problems when building this door.
Explanation video link:
youtu.be/UzUWkcC-XK0
World download:
mega.nz/file/RMpQWJrC#CQ0GQvGrOX0PuucDdiXsSOFJxuWidIrPkqHU1dVJQZY
Uses peterjiangTW's ocd+ texture pack.
Version used: 1.17+
Video link:
youtube.com/watch?v=2O1jncLz8JM
Uses the G4mespeed mod by G4me4u.
Version used: 1.17.0
Video link:
youtube.com/watch?v=lRvNknl0QPM
Detailed specs:
5x5 Cave Door
By: MYuen222
Size: 324 (9x9x4)
Record: Smallest, Smallest Semi Flush, Smallest Full Flush
Versions: 1.13+
Date of completion: 26/03/2021 17:18 UTC+8
Additional Information: Clockless, Sandless, Entityless
Thanks for watching.



![4x4 Recursive Jeb Door [Tutorial/Explanation]
This is a 4x4 Recursive Jeb Door built by me. It is at 14x9x5=630 Blocks, closes in 0.7s, opens in 1.25s.
Request from r/redstone Discord, named by requester
World download and schematic files (1.18.1):
https://mega.nz/folder/4QwX3AiL#JVnk7JieFkiu1UUIoyZv7A
Uses peterjiangTWs ocd+ texture pack.
Version used: 1.18+
Video link:
https://www.youtube.com/watch?v=2O1jncLz8JM
Uses the G4mespeed mod by G4me4u.
Version used: 1.18.1
Video link:
https://www.youtube.com/watch?v=lRvNknl0QPM
Detailed specs:
4x4 Recursive Jeb Door
By: MYuen222
Size: 630 (14x9x5)
Speed: (Normal, Visible)
Close: 0.7s, 0.7s
Open: 1.25s, 1.25s
Date of completion: 16/03/2025 2:00 UTC+8
Additional Information: Full Sync, Clockless, Sandless, Entityless, Contained
Thanks for watching. 4x4 Recursive Jeb Door [Tutorial/Explanation]](https://i.ytimg.com/vi/_zKgKi8axw0/mqdefault.jpg)
![864 Block Fastest Possible 6x6 Seamless Cave Door [Tutorial]
This is a small and fast 6x6 Seamless Cave Door by me and lum3nd0. It opens in 0.45s and closes in 0.45s, currently the fastest possible. For this speed, this door is also the smallest, at only 864 Blocks.
Feel free to comment down below if you have any problems when building this door.
Corrections: Refer to the GIF. This fixes issues where doors dont work in certain locations/orientations. https://imgur.com/biRL7XY
Explanation video link:
https://www.youtube.com/watch?v=at6715jpA00
Slow motion shots video link:
https://www.youtube.com/watch?v=PY_bQDpsP1Q
World download:
https://mega.nz/file/cVYFnKZa#MRsI5fJaQmvx-3JuWDfpmIke8MeMIY2qqqlia3cWyIU
lum3nd0s channel:
https://www.youtube.com/channel/UCKRLsb8u7ksvIpDDWrtmTWQ
Uses peterjiangTWs ocd+ texture pack.
Version used: 1.16+
Video link:
https://www.youtube.com/watch?v=8MNr-uT4JrU
Uses the G4mespeed mod by G4me4u.
Version used: 1.16.2(3)
Recorded in: 1.16.4
Video link:
https://www.youtube.com/watch?v=lRvNknl0QPM
Detailed specs:
6x6 Seamless Cave Door
Creators: MYuen222, lum3nd0
Size: 864 (12x12x6)
Record: Fastest Possible, Smallest with this speed
Versions: 1.16+
Date of completion: 12/12/2020, exact time unknown
Additional information: Clockless, Entityless, Sandless
Thanks for watching. 864 Block Fastest Possible 6x6 Seamless Cave Door [Tutorial]](https://i.ytimg.com/vi/a7kv8S_i2NY/mqdefault.jpg)
![Smallest 6x6 (Full Flush) Cave Trapdoor [Tutorial]
This is a small 6x6 (Full Flush) Cave Trapdoor by me. It is only 576 Blocks, currently the smallest in the world.
Feel free to comment down below if you have any problems when building this door.
Explanation video link:
https://www.youtube.com/watch?v=RkxiuOEUvXw
World download: https://mega.nz/file/0VJUyL4T#flJv8C4Y50mqSP3Wi16WapG15YEkajR3lisQmFeuJX8
Uses peterjiangTWs ocd+ texture pack.
Version used: 1.16+
Video link:
https://www.youtube.com/watch?v=8MNr-uT4JrU
Uses the G4mespeed mod by G4me4u.
Version used: 1.16.2(3)
Recorded in: 1.16.4
Video link:
https://www.youtube.com/watch?v=lRvNknl0QPM
Detailed specs:
6x6 Seamless (Full Flush) Cave Trapdoor
By: MYuen222
Size: 576 (12x12x4)
Record: Smallest
Versions: 1.13+
Date of completion: 10/01/2021 2:10 UTC+8
Additional Information: Clockless, Sandless, Entityless
Thanks for watching. Smallest 6x6 (Full Flush) Cave Trapdoor [Tutorial]](https://i.ytimg.com/vi/anOFV-U1Los/mqdefault.jpg)
![864 Block Fastest Possible 6x6 Seamless Cave Door [Explanation]
This is a small and fast 6x6 Seamless Cave Door by me and lum3nd0. It opens in 0.45s and closes in 0.45s, currently the fastest possible. For this speed, this door is also the smallest, at only 864 Blocks.
Correction: The explanation from 44:50 to 47:22 is incorrect. As it turns out, the 1 tick repeater will not work in some locations/orientations. Change the 1 tick repeater to 2 ticks and it will fix the problem.
Tutorial video link:
https://www.youtube.com/watch?v=a7kv8S_i2NY
Slow motion shots video link:
https://www.youtube.com/watch?v=PY_bQDpsP1Q
World download:
https://mega.nz/file/cVYFnKZa#MRsI5fJaQmvx-3JuWDfpmIke8MeMIY2qqqlia3cWyIU
lum3nd0s channel:
https://www.youtube.com/channel/UCKRLsb8u7ksvIpDDWrtmTWQ
Uses peterjiangTWs ocd+ texture pack.
Version used: 1.16+
Video link:
https://www.youtube.com/watch?v=8MNr-uT4JrU
Uses the G4mespeed mod by G4me4u.
Version used: 1.16.2(3)
Recorded in: 1.16.4
Video link:
https://www.youtube.com/watch?v=lRvNknl0QPM
Detailed specs:
6x6 Seamless Cave Door
Creators: MYuen222, lum3nd0
Size: 864 (12x12x6)
Record: Fastest Possible, Smallest with this speed
Versions: 1.16+
Date of completion: 12/12/2020, exact time unknown
Additional information: Clockless, Entityless, Sandless
Thanks for watching. 864 Block Fastest Possible 6x6 Seamless Cave Door [Explanation]](https://i.ytimg.com/vi/at6715jpA00/mqdefault.jpg)

![Tinier 2x2 Sticky Piston-less Door [Tutorial]
This is a tinier 2x2 sticky piston-less door which is improved and built by me.
This is no longer going to be smallest since I have made a smaller one (again).
The sand used can be replaced with concrete powder in 1.12+. All droppers (except the bottom right-hand corner one) can be replaced with note blocks for the latest versions (I dont know the exact version).
Uses peterjiangTWs ocd+ texture pack.
Version used: 1.16+
Video link:
https://www.youtube.com/watch?v=8MNr-uT4JrU
Detailed specs:
Seamless 2x2 Sticky Piston-less Door
Creator: MYuen222
Size: 120 blocks (10 long, 12 tall, 1 wide)
Record: (To be confirmed) Former Smallest
Versions: 1.11+
Date of completion: 14/7/2020, 16:22 UTC+8
Additional information: Slimeless, Honeyless, Clockless, Entityless
Thanks for watching. Tinier 2x2 Sticky Piston-less Door [Tutorial]](https://i.ytimg.com/vi/cOAcpRjM0HI/mqdefault.jpg)

![Smallest 6x6 Seamless Cave Door (Slimeblockless) [Explanation]
This is the explanation video on the tiny 6x6 Seamless Cave Door I built with Not4ntoni and divorcehorse11. It is 12x12x4=576 Blocks, currently the smallest in the world.
Not4ntonis channel: @K3v-owo
Questions-only Document:
https://drive.google.com/file/d/1ZfLYaBIfo8IBxZqLecz8oIhzgzvNAiPe/view?usp=sharing
Questions and Solutions Document:
https://drive.google.com/file/d/18z_kh5esqHm_CQ5CojXV9BQXBz3a8Uzc/view?usp=sharing
World download:
https://mega.nz/file/0F4nlJAD#MqzCLCdxHypFPJHO9vF_ad7rnFy10OgSkaw_AMZy1n0
Uses peterjiangTWs ocd+ texture pack.
Version used: 1.18+
Video link:
https://www.youtube.com/watch?v=2O1jncLz8JM
Uses the G4mespeed mod by G4me4u.
Version used: 1.18.1
Video link:
https://www.youtube.com/watch?v=lRvNknl0QPM
0:00 Introduction
Timings and working principle:
3:31 Q1
12:05 Q2
15:07 Q3
15:55 Q4
19:32 Q5
26:32 Q6
29:04 Q7
31:07 Q8
41:19 Q9
47:04 Q10
Piston/Powering layout construction, sequencing and input joints:
52:49 Q11
1:01:45 Q12
1:05:44 Q13
1:09:00 Q14
1:18:25 Q15
1:23:46 Q16
1:25:11 Q17
Planning and redstone analysis:
1:27:38 Q18
1:32:14 Q19
1:33:15 Q20
1:36:16 Q21
1:41:41 Q22
1:42:40 Q23
1:47:26 Exercise questions
Detailed specs:
6x6 Cave Door
By: MYuen222, Not4ntoni, divorcehorse11
Size: 576 (12x12x4)
Record: Smallest Seamless Slimeblockless
Versions: 1.16+
Date of completion: 22/6/2024 21:23 UTC+8
Additional Information: Clockless, Sandless, Contained
Thanks for watching. Smallest 6x6 Seamless Cave Door (Slimeblockless) [Explanation]](https://i.ytimg.com/vi/cXSzDgXhpnA/mqdefault.jpg)