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Download 19 free architecture 3D models for SketchUp — ready-to-use assets for interior visualization and architectural rendering. Free for commercial and personal projects.
19 models · clear filters
A black metal pool ladder with two curved grab rails, four flat rungs, a looped side handrail and small round feet at the base. Modeled in SketchUp (.skp) as a slim, ready-to-place fixture. Handy for swimming pool surrounds, resort decks or landscape and garden visualizations.
A dark charcoal spiral stair with translucent round treads around a thick central column, wavy curved metal railings and a flat landing with a vertical-bar guard at the top. Modeled in SketchUp (.skp) with a compact turning plan and a matching upper balustrade. A smart choice for penthouse interiors, bar lounges or small loft conversions.
A multi-flight stair with winder steps at the turns, glass guard panels held by steel posts and a round steel handrail, drawn in clear black outlines. Modeled in SketchUp (.skp) with open treads and a transparent balustrade. Well suited to modern houses, duplex apartments or office atriums.
A compact spiral stair with warm brown timber treads around a grey steel column, spaced collars between the steps and slim looped steel railings on the outer edge. Modeled in SketchUp (.skp) with a tall, space-saving form. A handy fixture for small apartments, loft bedrooms or rooftop terrace renders.
A quarter-turn open stair with wide grey floating treads on a slim central spine, fan-shaped steps at the turn and a thin horizontal rod guard with dark posts. Modeled in SketchUp (.skp) with a clean, lightweight look. A fitting stair for apartments, show homes or minimalist interior layouts.
A sculptural stair made from a single folded sheet that zigzags up in sharp angular steps, shown as a minimal black outline with no railings. Modeled in SketchUp (.skp) as a pure geometric form. An inspiring reference for concept studies, gallery spaces or minimalist architectural renders.
A spiral stair around a slender column that leads up to a circular platform enclosed by a tall balustrade with vertical posts and horizontal rails, drawn in outline. Modeled in SketchUp (.skp) with a compact footprint and a clearly defined landing. A good option for garden decks, mezzanine access or watchtower scenes.
A narrow switchback stair with a turning landing, drawn in thin black lines with transparent glass panels held by round fixings along both sides and a slim handrail. Modeled in SketchUp (.skp) with a light, airy structure. Useful for modern villa interiors, split-level homes or architectural concept sketches.
A black steel stair in two flights with open walnut-toned treads, a wooden handrail and balustrade panels laser-cut in a flowing wave pattern, plus a free-standing matching panel behind. Modeled in SketchUp (.skp) with an open-riser frame and a decorative metal screen. A distinctive feature for boutique hotels, restaurants or modern townhouse interiors.
A spiral stair around a central white column, with dark grated treads and a tall curved railing filled with diagonal cross-bracing and small round connector plates. Modeled in SketchUp (.skp) and shown in crisp outlines that make every tread and rail readable. A good fit for industrial lofts, fire-escape studies or courtyard visualizations.
A circular stair tower enclosed by closely spaced vertical timber slats, with a spiral flight winding up the inside edge and a slatted balustrade around the upper deck. Modeled in SketchUp (.skp) and drawn in simple outlines that show every slat. An interesting feature for garden pavilions, observation towers or resort landscapes.
A three-flight switchback stair with dark timber treads, olive-green posts and handrails, thin horizontal guard rods and a black slab at each landing. Modeled in SketchUp (.skp) with open steel-framed flights that zigzag upward. A fitting choice for industrial lofts, creative offices or multi-level cafe interiors.
A curving stair with broad oak-coloured treads, a tall black side wall edged in a pale timber handrail, and a glass-panelled balustrade above a solid wood landing block. Modeled in SketchUp (.skp) with fan-shaped treads sweeping around the turn. A refined feature for upscale houses, loft entries or showroom interiors.
A cantilevered stair with thin floating treads and a transparent glass guard, drawn in clean black linework with a handrail and wall-mounted fixings. Modeled in SketchUp (.skp) with a turning flight that reads clearly as an outline. Useful for modern interiors, architectural presentations or concept studies.
A helical stair inside a curved outer wall faced in mottled grey stone panels, with a smooth white inner soffit and a dark opening at the core. Modeled in SketchUp (.skp) with a sweeping, sculptural curve over multiple levels. A strong feature for lobby atriums, hotel interiors or villa entrance halls.
A light open-riser stair with pale wood treads on black steel posts, fan-shaped winders at the bottom turn and a smooth wooden handrail running along the flight. Modeled in SketchUp (.skp) with a slim, space-saving structure. A good choice for compact apartments, mezzanines or small home studio renders.
A bank of four parallel escalators with glossy white side balustrades, black step belts, small signal posts and grey base housings at the lower landing. Modeled in SketchUp (.skp) as a compact, repeatable transit unit. Well suited to shopping malls, airport terminals or station concourse visualizations.
A straight stair with warm wood treads, black stringers and slim black vertical balusters, ending in a small turning landing at the top and a boxed orange-brown storage void underneath. Modeled in SketchUp (.skp) with a solid stringer and a recessed under-stair space. A good fit for townhouse interiors, loft renders or residential section views.
A two-flight stair with an intermediate landing, shown in a black line-drawing style with a glass balustrade, a dark handrail and tall glazed partition panels beside the flights. Modeled in SketchUp (.skp) as a clean architectural stair with clearly drawn treads and landing. Useful for villa interiors, atrium studies or section drawings.