Is the Hill terraces 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), 361 KB: 4,904 triangles, 14,712 vertices and 19 materials, modelled in metres at 42 m × 12 m × 39 m.

Can I animate Hill terraces?

It ships as a static mesh. Its 7 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 Hill terraces 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.

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Hill terraces

A low-poly rocky hill stepped into three marble-walled terraces, with zig-zag stairs climbing the front, olive trees on the ledges and a small altar on the summit. A base for the Greek Acropolis kit's temples.

Original GLB361 KB Poster

Left rail: colours and the 5 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: 4,904
Vertices: 14,712
Meshes · materials: 19 · 19
Size (W × H × D): 42 m × 12 m × 39 m
File: GLB · 361 KB
Animation: Static
Style: Low-poly
Collection: Greek Acropolis

Palette · named materials

marble dark — retaining-wall faces, stele and altar plinths, half the boulders#c6bfb9
marble — foot and string courses, stair flights and parapets, stele shafts, altar body#e8e6e3
marble light — wall copings, parapet caps (bare), altar volute ends#f8f7f7
warm white — beaten-earth terrace floors#f2ede2
mid grey — rock outcrop, rock ledge, rock-cut steps, boulders#7d828c
soot black — weep holes in the retaining walls#1b1b22
olive green — olive tree crowns#3a883a
dark wood — olive trunks#3d2a1c
aegean blue — altar frieze (painted)#2e67b8
aegean blue dark — stele heads (painted)#1f457a
terracotta — altar crown (painted)#be5937
aegean blue light — parapet caps (fully painted only)#6190d1

Use it

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

const gltf = await new GLTFLoader().loadAsync(
  "https://assets.stoicsoft.com/1designtool/3d/models/greek-acropolis-hill-terraces/c622d41139/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:

Hill terraces for the Greek Acropolis 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 Greek Acropolis kit (Low-poly style, flat-lowpoly direction): White temples on a rocky hill. Use ONLY the kit palette, by name: marble #e8e6e3, aegean blue #2e67b8, olive green #3a883a, terracotta #be5937, marble dark #c6bfb9, aegean blue dark #1f457a, marble light #f8f7f7, aegean blue light #6190d1, soot black #1b1b22, warm white #f2ede2, 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 `paintedOrBareMarble` (0–1, default 0.5) for the kit's "Painted or bare marble" 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

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Named parts · 7

Hill terraces
Rocky outcrop
Retaining walls
Terrace floors
Stairways
Olive trees
Altar and stelae

Note: Size: 42.4 m wide (x) by 38.7 m deep (z) at the foot of the rock, with the summit terrace at 8.8 m and olive tops at 11.73 m. The outcrop is 1.6 m high, and the three retaining walls are 2.4 m each with 4 m-deep terraces (deeper at the front, where the upper levels step back). That is the scale of the terracing that ringed sanctuary hills such as the Athenian Acropolis slopes. The stairs face +Z, and the origin is at the bottom centre, resting on y = 0. The exported model has 4,904 triangles in 19 meshes (merged per part and colour), with no animation clip and flat normals baked in (non-indexed). Every material is named exactly after its kit palette colour, and all 12 kit colours are used (aegean blue light only appears when paintedOrBareMarble ≥ 0.75). The exporter writes one material per mesh, so the same colour name appears on several materials: recolour by name. paintedOrBareMarble works in steps and only paints the marble fittings; the masonry stays bare. 0–0.25 is bare, from 0.25 the altar frieze is blue, from 0.5 (the default and the GLB) the altar crown is terracotta and the stele heads are dark blue, and from 0.75 the stair parapet caps are light blue. terraceLevels, terraceDepth and wallHeight rebuild the hill, its stairs and the stelae; oliveTrees sets how many trees stand on each terrace (0 removes them). Params change geometry only when the scene is rebuilt in the viewer; the GLB is baked at the defaults. The combined extreme (4 levels, depth 3 m, walls 3.2 m, trees 1, paint 1) was captured and passed three-check. glb-lint: 0 errors and 6 heuristic warnings: duplicate materials (per-mesh materials), unindexed geometry (flat shading on purpose), sibling overlap (walls, courses and copings nest on purpose), detached floors (the floor caps sit on the walls and rock, which are separate parts), scale (compared with the direction's 1 m reference), plus its standing 'no requirements contract' UNVERIFIED verdict. three-check passes 24 of 24 checks; its triangle figure (5,194) includes the viewer's staging ground, which is not exported. plan-check passes except for its part-id regex, which rejects the hyphens that this library's slug-based ids need; the same plan with the slug de-hyphenated passes. The viewer renders at exposure 0.62 on a darker ground disc so the pale marble reads; neither is part of the GLB.

About the Hill terraces 3D model

Hill terraces is a free low-poly 3D model from the Greek Acropolis set. It measures 42 m × 12 m × 39 m (W × H × D) at real-world scale and is built from 4,904 triangles across 19 meshes, with 7 named parts. Download the 361 KB GLB and drop it into three.js, React Three Fiber, Godot or Blender — free for commercial use, no attribution required.

Is the Hill terraces 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), 361 KB: 4,904 triangles, 14,712 vertices and 19 materials, modelled in metres at 42 m × 12 m × 39 m.
Can I animate Hill terraces?: It ships as a static mesh. Its 7 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 Hill terraces 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.