Yes. BuildLab runs entirely in your browser and is completely free , no install and no account needed.

Can I use my BuildLab creation in Roblox Studio?

Yes. Export your build as a .rbxm model file and insert it straight into Roblox Studio, with colours, shapes and rotations preserved.

Can I open BuildLab models in Blender?

Yes. Export as GLTF (.glb) or OBJ (+MTL materials) and drag the file straight into Blender.

Can I use BuildLab models in Unreal Engine?

Yes. Export as OBJ and use File > Import in Unreal Engine. The model comes with materials attached for easy setup.

Does BuildLab work on phones and tablets?

Yes. BuildLab has a full touch interface with tap-to-place blocks, pinch-to-zoom and a mobile panel system.

Are there templates to get started?

Yes. BuildLab includes game-ready templates like Robot, Creature, Tree, Chest, Chair, Sword, House, Tower and Car. Load a template, edit it, then export for your game.

BuildLab | Free 3D Block Builder | Roblox, Blender & Unreal

Tools

Colour

Custom colour

Shape

🟦Block

🛢️Cylinder

🔵Sphere

🔶Cone

🔺Pyramid

📐Wedge

◻️Plate

BuildLab 3D engine loading...

Left-click: place Right-drag: orbit Scroll: zoom Middle-drag: pan Shift-drag: box select

🎯 Which engine are you using?

🎮 Start with a Template

📦 Export for Your Game

Pick your engine above, then export below.

📚 Using this in a Workshop?

Build here, then export and import into your engine. Tap your workshop below for the exact import steps.

🔵 Roblox Studio Workshop → 🤖 Godot 3D Workshop → ⬜ Unity Workshop → 🔷 Unreal Engine Workshop →

Keyboard Shortcuts

G / R / S - Move / Rotate / Scale

Ctrl+C / V - Copy / Paste

Ctrl+D - Duplicate

Ctrl+A - Select All

F - Frame All

Tab - Cycle Tools

1 / 3 / 7 / 5 - Front / Right / Top / Persp

Mouse: Left = Place, Right = Orbit, Middle = Pan

Ctrl+Click - Multi-select

Stats

Blocks

Colours

Shapes

Snap Grid

Outliner 0 blocks

No blocks yet. Click grid to add.

Selected Block

AXIS

Width

Height

Depth

Rotate

Move Up / Down

Metallic

Roughness

0.5

Opacity

1.0

Presets

Lighting & Rendering

Scene look

Ambient Light

0.6

Directional Light

0.8

Shadows & Env

Shadows HDRI

Save & Export

Save Slot keeps a build in this browser. Export .buildlab to keep a copy, then Import it on another device.

Export for Games

🔵 Roblox → Export RBLX, open in Roblox Studio

📦 GLTF (.glb) → Blender, Unreal, Godot, Unity — universal

🖥 OBJ / MTL → Unreal, Blender, Godot, Maya — drag & import

Import Formats

Asset Library

Groups

No groups. Select blocks, then click Group.

Mirror

Saved Builds

Learn 3D

Pick a tutorial to learn 3D building step by step.

⚙️ Tools

Scene look

BuildLab: Free 3D Block Builder for Roblox, Blender and Unreal

📦 Export Preview