Blockout Tools Plugin

Try game asset Blockout Tools Plugin 4.27 Unreal Engine for free.

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Blockout Tools is a lightweight and extremely easy to use set of tools to quickly block out / greybox your levels in Unreal Engine 4 & 5. It consists of various primitive elements with convenient scale and transform controls and custom triplanar grid material to ease the level design workflow.

***Monthly Unreal Engine Sponsored Content product for December 2020***

Video Demonstration #1

Video Demonstration #2

How to use:

  1. Select new "Blockout Tools" custom category in Place Mode
  2. And just drag blockout types onto your level

Blockout types:

  • Box
  • Cone
  • Corner Curved
  • Cylinder
  • Ramp
  • Skewbox
  • Sphere/Hemisphere
  • Stairs Curved
  • Stairs Linear
  • Stairs Linear Manual
  • Doorway (v 1.1)
  • Railing (v 1.1)
  • Window (v 1.2)
  • Tube (v 1.3)
  • Corner Ramp (v 1.41)

Important note: this is not a modelling tool, the intended usage is to blocking out levels. Does not currently support boolean operations. Also please be sure to check out an example map at "BlockoutToolsPlugin Content/Maps".

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Technical Details


  • Easily scalable elements with either Vector 3D Widget or inside Details panel
  • Super quick access to Blockouts from a new custom category in Place Mode
  • Self-explanatory settings
  • Configurable look and color of Blockouts
  • Default Blockout Color, Grid Size and such can be configured in Project Settings
  • Local-aligned triplanar grid material which supports object rotation
  • World-aligned triplanar grid material
  • Support for custom materials
  • Lightweight
  • 15 Blockouts
  • Custom editor icons

Code Modules:

  • BlockoutToolsPlugin (Runtime)
  • BlockoutToolsEditorPlugin (Editor)

Current Version: 1.50

Number of Blueprints: 17

Number of C++ Classes: 2

Network Replicated: Yes

Supported Development Platforms: Win64, Win32, MacOS, Linux

Supported Target Build Platforms: Win64, Win32, MacOS, Linux, Android, IOS, Switch, Xbox One, PS4




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  • Unreal Engine
  • 4.27
  • 104122