Is the Balcony 3D model free for commercial use?

Yes. It is free under the 1DesignTool 3D library license: use it in personal and commercial work — games, apps, websites, renders, ads and client projects — and modify it as you like, with no credit required. What you can't do is re-sell or re-distribute the file on its own or inside a model pack.

What file format is it, and how big is it?

A single binary glTF 2.0 file (.glb), 156 KB: 1,916 triangles, 5,748 vertices and 23 materials, modelled in metres at 3.0 m × 2.8 m × 1.5 m.

Can I animate Balcony?

It ships as a static mesh. Its 29 named parts are separate nodes, so you can move or animate each one in your engine.

Which engines and tools can open it?

Anything that reads glTF 2.0. three.js, React Three Fiber, Babylon.js, Godot 4 and Blender import the GLB directly; Unity and Unreal Engine load it through their glTF importers. The snippets above show the exact code for three.js, React Three Fiber, Godot and Blender.

How was the Balcony 3D model made?

Claude Code (Claude Opus 5.5) generated it inside 1DesignTool's 3D template from a written brief, then the design kit's checks verified the geometry and the GLB before it was published. You can make your own the same way with 1DesignTool.

FREEcommercial use · no sign-up

Balcony

A low-poly city-flat balcony for the Cozy Apartment kit: a concrete slab with oak decking and a black steel railing under an oak handrail, set against a sage façade with glazed French doors. A mustard bistro table, a folding chair, a hanging flower box and a corner pot plant make it look lived in.

Original GLB156 KB Poster

Left rail: colours and the 4 knobs the agent wrote into this model — they rebuild the geometry and go into your download. Right rail: looks for the viewer. Drag to orbit, scroll to zoom.

Triangles: 1,916
Vertices: 5,748
Meshes · materials: 23 · 23
Size (W × H × D): 3.0 m × 2.8 m × 1.5 m
File: GLB · 156 KB
Animation: Static
Style: Low-poly
Collection: Cozy Apartment

Palette · named materials

sage — façade paint at the default wallColour (base)#89a178
warm white dark — concrete slab and door threshold (base)#ddd2c6
warm white light — architraves, French door frames, lamp diffuser (trim)#f9f7f6
oak — decking and flower box (trim)#8f693d
oak dark — handrail (accent)#594126
soot black — steel railing, door glass, lamp, bistro ironwork (accent)#1b1b22
mustard — bistro table top and flowers (accent)#c39b22
oak light — chair slats and corner pot (accent)#b48f64
mid grey — door handles (trim)#7d828c
warm white — mug (base)#f9f7f5
dark wood — pot soil (accent)#3d2a1c

Use it

import { GLTFLoader } from "three/addons/loaders/GLTFLoader.js";

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/cozy-apartment-balcony/7930913f93/model.glb"
);
scene.add(gltf.scene); // metres, +Y up, front faces +Z

How it was made

The brief given to 1DesignTool's “3D object” template:

Balcony for the Cozy Apartment kit. Design it as one clear asset at believable real-world scale for that setting (state the size in metres in meta.notes), with its main parts modelled and named, readable at thumbnail size and from every orbit angle. This is one part of the Cozy Apartment kit (Low-poly style, flat-lowpoly direction): A small lived-in city flat. Use ONLY the kit palette, by name: warm white #f9f7f5, oak #8f693d, mustard #c39b22, sage #89a178, warm white dark #ddd2c6, oak dark #594126, warm white light #f9f7f6, oak light #b48f64, soot black #1b1b22, mid grey #7d828c, dark wood #3d2a1c. Every material's `name` must be exactly the palette colour it uses — the GLB carries these names so the kit recolours as one; an unnamed material fails delivery. Kit knob: expose a param `wallColour` (0–1, default 0.5) for the kit's "Wall colour" setting wherever it makes sense on this part, and keep that id.

Agent: Claude Code · Claude Opus 5.5 in 1DesignTool
Direction: Low-poly · family scenes
three-check PASS · glb-lint PASS

Make your own with 1DesignTool →

Named parts · 29

Balcony
Façade wall and door
Painted wall
Architraves
Threshold
French door frames
Door glass
Door handles
Wall lamp
Lamp diffuser
Slab and decking
Concrete slab
Oak decking
Railing
Steel posts and balusters
Oak handrail
Bistro table and chair
Table top
Table and chair frames
Chair seat and back
Mug
Plants
Flower box
Box hooks
Flower box foliage
Flowers
Corner pot
Pot soil
Corner pot foliage

Note: Size: 2.4 m wide by 1.1 m deep balcony slab (0.16 m concrete plus 25 mm oak decking), with a 1.0 m guard rail. It sits against a 3.0 m wide, 2.8 m tall, 0.22 m thick façade stub that holds 1.3 m French doors. The overall footprint is about 3.0 × 1.5 m (the flower box hangs about 0.2 m past the front rail). Origin: bottom centre of the footprint; the model rests on y = 0, the balcony faces +Z, and the wall's back (room side) faces -Z. The slab underside is at y = 0, so to mount the balcony on an upper floor, raise the whole model. The GLB has 1,916 triangles in 23 meshes, is static and carries no animation clip; three-check's 2,206-triangle figure also counts the viewer's staging ground, which is not exported. Every material is named exactly after a kit palette colour, and all 11 are used at the defaults. wallColour (the kit's 'Wall colour') picks the façade paint in four steps: 0–0.25 warm white, 0.25–0.5 warm white dark, 0.5–0.75 sage (default), 0.75–1 mustard; in an engine, recolour the material named 'sage' instead. width, depth and plants (0 = none, 1 = flower box, 2 = flower box and corner pot) rebuild the model. Params are baked into the GLB at their defaults and only change geometry when the scene is rebuilt in the viewer; only the defaults were rendered and checked. glb-lint: 0 errors, plus heuristic warnings that are expected here: per-mesh materials sharing palette names, non-indexed (hard flat-shaded) geometry, overlapping siblings (trim and doors set into the wall), decking and railing flagged as 'detached' even though they sit on the slab, and the 2.8 m height against the direction's 1 m reference. plan-check rejects only the hyphenated library part ids, because its regex allows no hyphen; the same plan with the slug de-hyphenated passes. three-check and the GLB reload keep all 6 planned ids. Fix round 1: rebuilt the façade as one extruded panel with a door hole, which removed the visible seams between wall boxes.

About the Balcony 3D model

Balcony is a free low-poly 3D model from the Cozy Apartment set. It measures 3.0 m × 2.8 m × 1.5 m (W × H × D) at real-world scale and is built from 1,916 triangles across 23 meshes, with 29 named parts. Download the 156 KB GLB and drop it into three.js, React Three Fiber, Godot or Blender — free for commercial use, no attribution required.

Is the Balcony 3D model free for commercial use?: Yes. It is free under the 1DesignTool 3D library license: use it in personal and commercial work — games, apps, websites, renders, ads and client projects — and modify it as you like, with no credit required. What you can't do is re-sell or re-distribute the file on its own or inside a model pack.
What file format is it, and how big is it?: A single binary glTF 2.0 file (.glb), 156 KB: 1,916 triangles, 5,748 vertices and 23 materials, modelled in metres at 3.0 m × 2.8 m × 1.5 m.
Can I animate Balcony?: It ships as a static mesh. Its 29 named parts are separate nodes, so you can move or animate each one in your engine.
Which engines and tools can open it?: Anything that reads glTF 2.0. three.js, React Three Fiber, Babylon.js, Godot 4 and Blender import the GLB directly; Unity and Unreal Engine load it through their glTF importers. The snippets above show the exact code for three.js, React Three Fiber, Godot and Blender.
How was the Balcony 3D model made?: Claude Code (Claude Opus 5.5) generated it inside 1DesignTool's 3D template from a written brief, then the design kit's checks verified the geometry and the GLB before it was published. You can make your own the same way with 1DesignTool.