Free models · Game-ready GLB
Modular
Every low-poly model below is a self-contained .glb under 25 MB that drops into three.js, Blender, Godot, Unity and Unreal, free to use and modify in commercial projects without attribution.
Load one straight from its CDN URL with a plain GLTFLoader, or take a whole themed set from the packs.
596 free GLB models
Greybox roof verge trim 4 m (Modular Greybox Architecture Kit)
A 4 m verge trim: an L section barge board with a raised weather upstand and a dark undercloak, for closing the gable edge of a pitched roof.
Greybox roof ridge capping 4 m (Modular Greybox Architecture Kit)
A 4 m ridge capping: a 0.5 m wide angled cap over a dark under-flashing, sized to close the apex of the pitched roof bay.
Greybox parapet 2 m (Modular Greybox Architecture Kit)
Half-bay 2 m parapet with the same upstand and coping section, for closing a roof edge on the 2 m sub-grid.
Greybox pitched roof bay 4 m (Modular Greybox Architecture Kit)
A 4 m dual-pitch roof bay: a 33 degree chevron section 1.3 m to the ridge, with exposed rafters under the eaves and a fascia board each side.
Greybox parapet corner cell (Modular Greybox Architecture Kit)
A full-cell parapet corner: two 4 m legs on the west and south edges of one cell with the coping mitred through the angle, so a roof edge turns without a gap.
Greybox parapet 4 m (Modular Greybox Architecture Kit)
A 4 m roof parapet standing 0.94 m: 0.15 m upstand with an inner cavity strip, a drip under a 0.28 m coping, sized to sit on the wall head.
Greybox flat roof cap 4 m (Modular Greybox Architecture Kit)
A 4 m square flat roof deck laid to a 0.06 m fall toward +Z, with a drip edge all round and a corner rainwater outlet. Caps a bay of the wall grid.
Greybox window frame with mullions (Modular Greybox Architecture Kit)
A 2.8 m by 1.4 m window frame divided by two mullions and one transom into six panes, with a sloped external sill. Fits the wide window wall module.
Greybox louvre panel (Modular Greybox Architecture Kit)
A 1.2 m square fixed louvre panel: nine angled blades in a steel surround with a dark mesh backing plate, for plant rooms and vented facades.
Greybox void opening frame (Modular Greybox Architecture Kit)
A plain structural buck around a 2.0 m by 2.6 m void: 0.14 m box section jambs and head with corner gussets, a threshold plate and a capping angle.
Greybox semicircular arch opening (Modular Greybox Architecture Kit)
A self-supporting arch surround: two 1.7 m piers on spread bases carrying an eleven-voussoir semicircular arch over a 1.8 m by 2.6 m opening, 0.4 m deep.
AnimatedGreybox roller shutter (Modular Greybox Architecture Kit)
A 2.4 m by 2.4 m roller shutter: a slatted curtain running in side guides under a boxed hood, with a bottom rail and lifting handles. Ships open and close clips.
AnimatedGreybox sliding door panel and track (Modular Greybox Architecture Kit)
A surface-mounted sliding door over a 1.4 m by 2.2 m opening: head track on brackets, panel on two hangers, floor guide and a full-height pull. Ships open and close clips.
AnimatedGreybox barred security gate (Modular Greybox Architecture Kit)
A 2.2 m by 2.4 m double security gate: two barred leaves of eight vertical bars between three rails, with meeting stiles that swing clear together.
Greybox guard rail 4 m (Modular Greybox Architecture Kit)
A free-standing 4 m guard rail: four posts on base plates, top and mid rails and an orange toe board, for edge protection on any deck.
AnimatedGreybox hinged double door (Modular Greybox Architecture Kit)
A 2.2 m by 2.4 m double door in its lining: two 1 m leaves on three hinges each, both swinging 95 degrees toward -Z in a single open clip.
AnimatedGreybox glazed door (Modular Greybox Architecture Kit)
A 1.0 m by 2.1 m glazed door: steel stiles and rails around two pale vision panels, with a full-height pull handle and a hinged leaf node.
Greybox catwalk right-angle corner (Modular Greybox Architecture Kit)
A right-angle catwalk corner in open grating: a 2.6 m arm along X meeting a 2.6 m arm along +Z, railed on the two outside faces.
AnimatedGreybox hinged single door (Modular Greybox Architecture Kit)
A 1.0 m by 2.1 m single door in its lining: a flush leaf on three hinges with lever furniture both sides, hung to swing 95 degrees toward -Z.
Greybox catwalk tee junction (Modular Greybox Architecture Kit)
A 4 m catwalk run with a 1.4 m branch leaving the middle at right angles, for splitting a service walkway around plant.
Greybox catwalk 4 m straight (Modular Greybox Architecture Kit)
A 4 m by 1.2 m open grating catwalk on channel stringers with a guard rail and orange toe board on both edges. The deck surface sits 0.12 m above the module base.
Greybox ladder safety cage segment (Modular Greybox Architecture Kit)
A 1.5 m ladder safety cage segment: three C hoops carried on four vertical straps, sized to wrap the fixed ladder module.
Greybox ramp 3 m rise (Modular Greybox Architecture Kit)
A 2 m wide ramp climbing the full 3 m storey over an 8 m run at roughly 1 in 2.7, with raised side kerbs and a two-rail guard each side.
Greybox fixed ladder 1.5 m (Modular Greybox Architecture Kit)
A half-storey 1.5 m fixed ladder with the same stile and rung section, for pit access and split-level drops.