Free models · CC0
Buildings
Every sci-fi building 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 buildings set from the packs.
111 free GLB models
Observation gantry (UFO Crash Site and Recovery Facility)
A 7 m elevated observation walkway at 3.4 m: six columns on pads with knee braces, a grated deck, handrails with toe boards on both sides and the end, a nine-tread stair flight with its own rails and a deck light.
Overhead crane rail (UFO Crash Site and Recovery Facility)
A 12.4 m span overhead travelling crane 7.2 m to the walkway: four columns on pads with knee braces, two runway beams, a twin girder bridge on end carriages, a trolley node and a hook block node hanging on its ropes, plus a wall pendant station.
Decontamination arch (UFO Crash Site and Recovery Facility)
A 3 m walk-through decontamination arch: an arched shell of real thickness, twenty one spray nozzles on three rings and two side rails, two lamp strips, a grated floor between yellow kerbs and a control box.
Containment cell (UFO Crash Site and Recovery Facility)
A 4.4 by 4 m sealed cell: steel walls with external ribs, roof plant and service risers, a 2.5 m viewing window in pressure frames, a hinged sealed door with a vision port, a grated floor, a ceiling light panel and a lit central plinth. Interior surfaces are modelled.
Twin leaf blast door (UFO Crash Site and Recovery Facility)
A 6.4 by 5 m twin leaf sliding blast door in a concrete portal: ribbed steel leaves on floor tracks and a head beam, two drive units, chevron edge markings, a warning beacon and a control box. Each leaf is a separate node.
Bay floor slab (UFO Crash Site and Recovery Facility)
An 18 by 6 m bay floor on the hangar pitch: a 0.15 m concrete slab with expansion joints, painted lane edges and bay markings, kerbs down both sides, a centre drainage channel with grating and eight recessed tie-down sockets. Lay a run of these for an open bay.
Hangar bay end wall section (UFO Crash Site and Recovery Facility)
The bay section closed at its north face by a gable wall with a 7.8 by 6 m craft door opening framed in steel and a personnel door beside it, leaving only the south port free.
Hangar bay shell section (UFO Crash Site and Recovery Facility)
A 6 m deep section of an 18 m span hangar bay: a segmental arch shell with real wall thickness, a 0.15 m floor slab, three internal portal frames, cladding ribs, a glazed clerestory each side, three roof lights and four high bay lamps. Sections butt on a 6 m pitch.
Wash-down bay (UFO Crash Site and Recovery Facility)
A 5.4 by 6.4 m drive-through wash-down bay: a portal frame with an arched ridge, side and overhead spray bars with twenty one nozzles, a grated sump floor inside concrete kerbs and a pump skid with its delivery hose.
Tented hangar (UFO Crash Site and Recovery Facility)
An 18 by 16 m fabric hangar: five steel arches on concrete rails carrying a lofted barrel skin with five purlins, a closed end gable and a rolled door flap on the open end.
Field tent (UFO Crash Site and Recovery Facility)
A 4.4 m ridge tent: a lofted fabric skin with vertical walls and a bowed ridge, external ridge pole, two uprights, four guys with ground pins and a rolled door flap.
Transit Portal Head House (Arcology Towers and Skyways)
A glazed circular head house that takes a street deck down to the transit level: a domed drum with a lit eaves ring, an escalator mouth with amber treads, glass balustrades and a canopy carrying a name band.
Maglev Station Platform Pod (Arcology Towers and Skyways)
A 16 m elevated maglev station module: the through guideway with a side platform each way on alloy brackets, glazed platform screen doors, amber edge strips, a lit canopy on columns, benches, planters and a name band.
Tee Skyway Junction (Arcology Towers and Skyways)
A 10 by 9 m glazed tee junction with a barrel-vaulted roof: bridge portals on the south, east and west faces, a planted rest bay on the closed north side and alloy portal columns.
Four-Way Skyway Junction Pod (Arcology Towers and Skyways)
A 12 m square glazed skyway junction with a domed roof: four standard bridge portals on the cardinal faces, a paved interior with planters and benches, four alloy columns and a glowing eaves ring.
Tower Crown with Landing Deck (Arcology Towers and Skyways)
A tower crown carrying an 18 m circular aerial landing deck: paved disc with an amber touchdown circle and cross, twelve edge lights, a glazed control pod on a stalk and a beacon mast.
Tower Crown with Mast (Arcology Towers and Skyways)
A tower crown that closes a stack: a stepped cap, a railed observation gallery in glass and a 10 m tapered communications mast on four teal struts with a glowing beacon.
Service Core Shaft Section (Arcology Towers and Skyways)
An 8 m slim service core: a 6.4 m square shaft with a riser slot, two external glazed lift tubes with alloy collars and landing rings, and teal cable ladders, for use as a standalone circulation stack.
Slim Spire Section (Arcology Towers and Skyways)
An 8 m octagonal spire section, 10.8 m across the corners at the base and tapering to 9 m, with a glazed shaft, eight alloy corner ribs and a teal cornice ring.
Corner Tower Section (Arcology Towers and Skyways)
An 8 m L-plan section that turns a tower block corner: two glazed wings meeting at a glazed stair drum, shading fins on the long face, a balcony and skybridge collars on the south and west faces.
Offset Cantilever Section (Arcology Towers and Skyways)
An 8 m section whose lower half is a half-width pier and whose upper half is a full 16 m plate cantilevered over it on two teal outriggers, giving a stack a deliberate horizontal jog.
Mechanical Plant Section (Arcology Towers and Skyways)
An 8 m plant section: a louvred air-handling floor wrapping a teal service core, three roof fan units on a maintenance deck, a riser duct and an intake box on the front face.
Atrium Sky Garden Section (Arcology Towers and Skyways)
An 8 m section split into two glazed piers around a full-depth atrium: a planted garden floor, two crossing walkways at different levels and a ribbed glass barrel vault, with skybridge collars on the east and west piers.
Setback Transition Section (Arcology Towers and Skyways)
An 8 m transition section that steps a 16 m tower plan down to 11.6 m in two setbacks, each with a railed roof terrace and planters, so a slim shaft can continue above a wide shaft.