I found a way to create vertical slabs in survival using pistons mechanics. Pretty sure it is a bug, but they stay like that even when downgrading/re-logging. : r/Minecraft
Why doesn't Minecraft have vertical half slabs? - Quora
How to make vertical slabs in vanilla minecraft : r/Minecraft
GitHub - hea3ven/BuildingBricks: A minecraft mod about building blocks and building tools.
Vertical Halfslabs for Minecraft Bedrock Edition (MCPE) | Minecraft PE Mods & Addons
Petition · Add vertical slabs in minecraft · Change.org
Minecraft 1.16 - How To Get Vertical Slabs! - YouTube
Vertical/Sideways" Slab Trick in Minecraft 1.13 - YouTube
Extended block shapes - Minecraft Mod
This is why we need vertical slabs. : r/Minecraft
Vertical Slabs Compat (1.20 - 1.19.4) Upright Block in Minecraft
Hybrid Slabs Add-on (1.12+) | Minecraft PE Mods & Addons
GitHub - hea3ven/BuildingBricks: A minecraft mod about building blocks and building tools.
Enchanted Vertical Slabs Mod (1.19.4, 1.18.2) - More Blocks To Build - 9Minecraft.Net
actual vertical half slabs in 1.16. : r/Minecraft
Looks like we finally have vertical slabs in 17w47a! : r/Minecraft
Vertical Slabs Compat (1.20 - 1.19.4) Upright Block in Minecraft
Vertical Slabs Compat (1.20 - 1.19.4) Upright Block in Minecraft
Placing beds on top of the bottom half slabs – Minecraft Feedback