Free models · CC0
Modular
Every low-poly modern model below is a self-contained .glb under 5 MB, released under CC0 1.0 so it can be used and modified 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.
151 free GLB models
AnimatedVentilation louvre with linked blades (Animated Mechanisms Kit)
Seven blade louvre panel in a painted frame with a bolted head flashing and an amber operating linkage down one side. The blades turn from closed to open together.
AnimatedRising barrier arm with counterweight (Animated Mechanisms Kit)
Vehicle barrier: a 3.6 m banded boom with a drop skirt and a counterweight, pivoting from a painted pedestal with a reader panel and an emissive lamp.
AnimatedPortcullis gate with winch drum (Animated Mechanisms Kit)
Seven bar spiked iron grille running in channel guides between two gate piers, lifted into a crenellated gatehouse chase by a timber winch drum on the front wall.
AnimatedSaloon swing doors (Animated Mechanisms Kit)
Pair of half height slatted timber bat wings on spring pivots, hung clear of the floor and the head of a 1.6 m opening so they rock through a rest position.
AnimatedUp and over garage tilt door (Animated Mechanisms Kit)
Four panel steel door on top pivots with diagonal counterbalance arms, tilting up and back into the head of a 2.5 m garage opening.
AnimatedPressure airlock door with locking dogs (Animated Mechanisms Kit)
Thick ribbed slab with a glazed porthole that rises up an exposed guide frame after four amber locking dogs rotate clear of the jambs.
AnimatedIris blast door with six blades (Animated Mechanisms Kit)
Six overlapping steel blades hinged around a bezel ring close a 2.2 m circular portal cut through a wall bay. Each blade swings outward on its own pin.
AnimatedRoller shutter door with barrel hood (Animated Mechanisms Kit)
Twenty one slat steel curtain running in side guides under a barrel hood, with an amber bottom rail and a wall control box. The curtain bunches into the hood as it lifts.
AnimatedAutomatic sliding door pair (Animated Mechanisms Kit)
Two glazed leaves on an overhead roller track with a belt drive motor and a control box, sliding apart into the reveals of a 2.2 m opening.
AnimatedHinged single door in a wall bay (Animated Mechanisms Kit)
Single steel leaf on three knuckle hinges inside a 3 m painted wall bay, with lever handles both sides, a glazed vision panel and an overhead closer arm.
AnimatedDouble leaf door in a wall bay (Animated Mechanisms Kit)
Pair of framed steel leaves hung on opposite jambs of a 2 m opening, with vertical pull bars, glazed vision panels and a bolted transom beam above.
Greybox cable tray run 4 m (Modular Greybox Architecture Kit)
A 4 m ladder-type cable tray 0.4 m wide: two side rails, thirteen rungs, two threaded-rod ceiling hangers and a bolted splice plate at each end.
Greybox floor joist run 4 m (Modular Greybox Architecture Kit)
A 4 m joist run: seven 240 mm joists at 600 mm centres between two rim boards, with staggered solid blocking on the centre line.
Greybox service riser duct 3 m (Modular Greybox Architecture Kit)
A 3 m vertical service riser: 0.6 m by 0.4 m duct with bolted flanges top and bottom, a bolted access panel and a wall bracket.
Greybox foundation pad (Modular Greybox Architecture Kit)
A 1.6 m square foundation pad with a chamfered upstand and a 0.6 m pedestal carrying four cast-in holding-down bolts, sized for the I-beam column.
Greybox lattice truss segment 4 m (Modular Greybox Architecture Kit)
A 4 m warren truss 0.9 m deep: paired chords, six diagonals, end verticals and gusset plates at every node. Spans further than a plain beam.
Greybox cross brace pair 4 m (Modular Greybox Architecture Kit)
A 4 m by 3 m braced bay: two crossed flat diagonals through a central connector plate, with gusset plates and pin lugs at all four corners.
Greybox I-beam span 2 m (Modular Greybox Architecture Kit)
Half-bay 2 m I-beam span with the same 360 mm section and end plates, for trimming a frame onto the 2 m sub-grid.
Greybox I-beam span 4 m (Modular Greybox Architecture Kit)
A 4 m 360 mm deep I-beam span with bolted end plates, four bolts per end and two web stiffeners. Carries a floor bay between columns.
Greybox I-beam column 3 m (Modular Greybox Architecture Kit)
A 3 m universal column: 0.3 m by 0.28 m I section between a bolted base plate and a cap plate, with four holding-down bolts and a stiffener each side.
Greybox roof access housing (Modular Greybox Architecture Kit)
A 2.7 m square rooftop stair housing: 0.15 m walls, a 0.9 by 2.0 m door opening, a mono-pitch capping and a louvred vent on the back wall.
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 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.