
Modrinth · Minecraft mod
Oppai+
A highly customizable mod that adds feminine visual features to the player model, realistic physics and deformation, with both client-side and server-side support.
Quick answer
Which Oppai+ release should I use?
Oppai+ 1.0.9-1.21.5NeoForge targets 1.21.5 with NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Oppai+ required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Oppai+ 1.0.9-1.21.5NeoForge need?
1.0.9-1.21.5NeoForge. Change the file and its required mods may change too.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add Oppai+ without breaking your instance.
Built for Oppai+ 1.0.9-1.21.5NeoForge. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.0.9-1.21.5NeoForge. It targets 1.21.5 with NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 03
Put it on the correct side
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.0.9-1.21.5NeoForge. It opens that exact file at the source.
About this project
What does Oppai+ add?
Oppai
This mod adds female visualization to player models. Inspired by Wildfire's Female Gender.
Features:
- Server setting support: Flexible configuration setup for the server
- Dynamic Physics: The model reacts to player movements (walking, jumping, falling).
- Advanced Settings: Includes an in-game menu to change dimensions (width, height, depth) and adjust physics/bounce intensity.
- Multiplayer Sync: Your visual settings are synchronized and visible to other players on the server.
- Compatibility: Works correctly with equipped armor and is visible in first-person view.
Controls:
- [V] open menu
- [G] off/on visual

[1.21.5 image]

Server-side limits are stored in world/serverconfig/oppai-server.toml
Lower the configured limits or disable synchronization categories to restrict player customization.
Size Limits
maxSyncedSize— Maximum synchronized overall size and width.
Range:0.05–1.60minHeight— Minimum allowed breast height.
Range:0.50–1.30maxHeight— Maximum allowed breast height.
Range:0.50–1.30minDepth— Minimum allowed forward depth.
Range:0.56–2.30maxDepth— Maximum allowed forward depth.
Range:0.56–2.30
Physics Limits
maxIntensity— Maximum physics strength.
Range:0.00–1.70maxBounceDuration— Maximum legacy bounce duration.
Range:0.00–1.00maxSpringStiffness— Maximum spring stiffness.
Range:0.00–1.00maxDamping— Maximum damping and movement smoothness.
Range:0.00–1.00maxMass— Maximum simulated mass and inertia.
Range:0.50–2.00maxVerticalMovement— Maximum vertical movement.
Range:0.10–1.00maxLateralMovement— Maximum sideways movement.
Range:0.10–1.00
Shape Limits
maxSpread— Maximum distance between both sides.
Range:0.00–1.00minOutwardAngle— Minimum outward rotation.
Range:-0.54–-0.03maxOutwardAngle— Maximum outward rotation.
Range:-0.54–-0.03minPitchAngle— Minimum vertical rotation.
Range:-0.18–0.18maxPitchAngle— Maximum vertical rotation.
Range:-0.18–0.18minHeightOffset— Minimum vertical position offset.
Range:-0.92–0.40maxHeightOffset— Maximum vertical position offset.
Range:-0.92–0.40maxForwardOffset— Maximum forward or backward position offset.
Range:0.00–2.00
Synchronization Permissions
allowSizeSync— Allows players to synchronize size, width, height, and depth settings.allowShapeSync— Allows players to synchronize shape, rotation, spread, and position settings.allowPhysicsSync— Allows players to synchronize physics settings and physics presets.allowCosmeticSync— Allows players to synchronize visibility settings, armor behavior, skin layers, UV settings, and hurt sounds.
Set any permission option to false to disable the corresponding configuration category for all players.
Project description from Modrinth.
Pick your setup
Oppai+ by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.4
1 loader build1.21.1
1 loader build1.21
1 loader build1.20.1
3 loader buildsCheck the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Oppai+ versions and loaders
1.0.9-1.21.5NeoForge
oppai-1.0.9-1.21.5NeoForge.jar
4 Aug 2026
1.0.9-1.21.5Fabric
oppai-1.0.9-1.21.5Fabric.jar
3 Aug 2026
1.0.9-1.21.1NeoForge
oppai-1.0.9-1.21.1NeoForge.jar
3 Aug 2026
1.0.8-1.21.5NeoForge
oppai-1.0.7-1.21.5NeoForge.jar
30 Jul 2026
1.0.8-1.20.1Fabric
oppai-1.0.7-1.20.1Fabric.jar
30 Jul 2026
1.0.7-1.20.1Forge
oppai-1.0.7-1.20.1Forge.jar
30 Jul 2026
1.0.7-NeoForge-1.21.1
oppai-1.0.7-NeoForge-1.21.1.jar
30 Jul 2026
1.0.7-1.21.4NeoForge
oppai-1.06-1.21.4NeoForge.jar
30 Jul 2026
1.06-1.20.1NeoForge
oppai-1.06-1.20.1NeoForge.jar
29 Jul 2026
1.0.6NeoForge1.21.1
oppai-1.0.6bugFix-NeoForge 1.21.1.jar
29 Jul 2026
1.0.4-1.21
oppai-1.0.4-1.21.jar
24 Jul 2026
Looking for an older file? The official Modrinth project page is in Resources.