Overview#
Pehkui is a scaling mod that lets you change the size of almost any entity in Minecraft. You can make a mob enormous, shrink it to a fraction of its normal size, or resize your own character. The scale you choose is not just cosmetic: it also changes the entity's hitbox, reach, step height, and other physical properties, so a giant behaves like a giant and a tiny creature behaves like a tiny one.
Scaling works on both players and mobs, in singleplayer worlds and on servers, and applies instantly through simple commands.
The Scale Command#
All resizing is done with the /scale command. The main forms are:
| Command | What it does |
|---|---|
/scale set <type> <value> [targets] |
Sets a scale to an exact value |
/scale add <type> <amount> [targets] |
Increases or decreases a scale by an amount |
/scale get <type> [target] |
Shows the current value of a scale |
/scale reset <type> [targets] |
Returns a scale to its default (1.0) |
<value>of1is normal size.2is twice as big,0.5is half size.[targets]is a standard entity selector such as@s(yourself),@e[type=pig], or a player name. If left out, the command usually applies to whoever runs it.
Examples:
/scale set base 3 @s
/scale set base 0.3 @e[type=chicken]
/scale add base 0.5
/scale reset base @sScale Types#
Instead of only one "size" value, Pehkui exposes many independent scale types so you can control exactly how an entity grows or shrinks. Set base when you just want a normal, all-around size change; use the others for finer effects.
| Type | Effect |
|---|---|
base |
Overall size — the simplest option, affects everything at once |
width |
How wide the entity is |
height |
How tall the entity is |
model_width / model_height |
Visual model size without changing the hitbox |
motion |
Movement speed |
reach |
How far the entity can interact and attack |
jump_height |
How high it can jump |
step_height |
How tall a block it can step over without jumping |
Because these are separate, you can combine them — for example a mob that is visually huge but still moves quickly, or one that is small but has a long reach.
How Size Changes Gameplay#
Scaling an entity does more than change how it looks:
- Hitbox grows or shrinks with the entity, so larger targets are easier to hit and smaller ones are harder.
- Reach increases for big entities, letting a giant attack or interact from farther away.
- Step height rises with size, so a large entity can walk over fences and full blocks that would normally stop it.
- Fall damage is reduced for small entities, and small sizes let them fit through gaps as little as part of a block tall.
- Movement feels different — a giant covers ground with each step, while a tiny creature looks fast and frantic.
These physical effects are what make the mod useful for boss-style giants, pet-sized companions, and puzzle or adventure scenarios.
Examples#
A few practical setups:
Become a giant:
/scale set base 4 @s
Shrink yourself to explore tight spaces:
/scale set base 0.3 @s
Turn every nearby pig into a towering beast:
/scale set base 5 @e[type=pig,distance=..20]
Make a fast miniature pet (small body, normal speed):
/scale set base 0.4 @e[type=wolf,limit=1,sort=nearest]
/scale set motion 2 @e[type=wolf,limit=1,sort=nearest]
Return everything to normal:
/scale reset base @eNotes and Compatibility#
- Scaling is applied per entity and is saved with the world, so resized mobs keep their size after you reload.
- Very large scales can push entities into walls or the ground; give giants open space to avoid getting stuck.
- The mod works in singleplayer and on multiplayer servers. On a server the commands need the usual permission level to run.
- Pehkui also acts as a foundation that other mods can build on, so many size-related mods rely on it being installed.
- If a resized entity looks wrong or gets stuck, reset its scale with
/scale reset baseand try a smaller value or a more open area.