Free STEP Models

715 3D parts as STEP · Clear all

• stepRotate in 3D
  40 ft standard shipping container

  40 ft standard shipping container, modeled from published dimensions. Overall 12.2 x 2.4 x 2.6 m. Key dimensions: floor length 12032 mm; floor width 2352 mm. Published ISO external envelope follows the Hapag-Lloyd specification: 2438 mm wide, 2591 mm high, 6058/12192 mm long. Door opening uses a 2340 x 2292 mm nominal fleet layout. Original reconstructed frame, corrugations, door hardware and plywood floor. Corner castings, seals, structural gauges, roof corrugations and complete ISO lifting interfaces are simplified or omitted. Not a certified freight container or an exact manufacturer interior. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  3.3 MBDetails & download
• stepRotate in 3D
  20 ft standard shipping container

  20 ft standard shipping container, modeled from published dimensions. Overall 6.1 x 2.4 x 2.6 m. Key dimensions: floor length 5900 mm; floor width 2352 mm. Published ISO external envelope follows the Hapag-Lloyd specification: 2438 mm wide, 2591 mm high, 6058/12192 mm long. Door opening uses a 2340 x 2292 mm nominal fleet layout. Original reconstructed frame, corrugations, door hardware and plywood floor. Corner castings, seals, structural gauges, roof corrugations and complete ISO lifting interfaces are simplified or omitted. Not a certified freight container or an exact manufacturer interior. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  2.0 MBDetails & download
• stepRotate in 3D
  Rooftop HVAC unit

  Rooftop HVAC unit, modeled from published dimensions. Overall 2.2 x 1.4 x 1.3 m. Key dimensions: support height 120 mm. Original unbranded HVAC equipment envelope. Internal coil, compressor, filters, ducts and control circuitry are omitted. Fan blades/guards and louvers are representative; no cooling capacity, airflow or equipment rating is implied. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  451 KBDetails & download
• stepRotate in 3D
  Mini-split indoor unit

  Mini-split indoor unit, modeled from published dimensions. Overall 850 x 211 x 285 mm. Key dimensions: width 850 mm; depth 210 mm; height 285 mm. Original unbranded HVAC equipment envelope. Internal coil, compressor, filters, ducts and control circuitry are omitted. Fan blades/guards and louvers are representative; no cooling capacity, airflow or equipment rating is implied. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  100 KBDetails & download
• stepRotate in 3D
  Straight stair with rails

  Straight stair with rails, modeled from published dimensions. Overall 4.5 x 1 x 3.7 m. Key dimensions: floor rise 2800 mm; tread run 280 mm; riser 175 mm; width 1000 mm; risers 16. Original nominal stair design with explicit rise, run and handrail geometry. Building-specific landings, headroom, guard infill, anchorage and structural design remain outside this layout model. No building-code or accessibility compliance is claimed. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  1.3 MBDetails & download
• stepRotate in 3D
  Spiral stair with rail

  Spiral stair with rail, modeled from published dimensions. Overall 1.9 x 1.9 x 3.8 m. Key dimensions: floor rise 2800 mm; risers 16; riser 175 mm; outer radius 950 mm; column diameter 180 mm; turn deg 360. Original nominal stair design with explicit rise, run and handrail geometry. Building-specific landings, headroom, guard infill, anchorage and structural design remain outside this layout model. No building-code or accessibility compliance is claimed. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  1.8 MBDetails & download
• stepRotate in 3D
  L-shaped stair with landing

  L-shaped stair with landing, modeled from published dimensions. Overall 3.2 x 3.2 x 3.7 m. Key dimensions: floor rise 2800 mm; flight risers 8; landing 1000 mm; tread run 280 mm; riser 175 mm; width 1000 mm. Original nominal stair design with explicit rise, run and handrail geometry. Building-specific landings, headroom, guard infill, anchorage and structural design remain outside this layout model. No building-code or accessibility compliance is claimed. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  1.6 MBDetails & download
• stepRotate in 3D
  Light switch

  Light switch, modeled from published dimensions. Overall 70 x 12.6 x 115 mm. Key dimensions: mount pitch 97 mm. Original nominal architectural fixture. Plate/enclosure dimensions and simplified openings are for layout; wiring, contacts and electrical performance are omitted. Outlet slots are a recognizable envelope, not a certified connector specification. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  85 KBDetails & download
• stepRotate in 3D
  Electrical panel

  Electrical panel, modeled from published dimensions. Overall 450 x 148 x 650 mm. Original nominal architectural fixture. Plate/enclosure dimensions and simplified openings are for layout; wiring, contacts and electrical performance are omitted. Outlet slots are a recognizable envelope, not a certified connector specification. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  63 KBDetails & download
• stepRotate in 3D
  Electrical outlet

  Electrical outlet, modeled from published dimensions. Overall 70 x 8 x 115 mm. Key dimensions: mount pitch 97 mm. Original nominal architectural fixture. Plate/enclosure dimensions and simplified openings are for layout; wiring, contacts and electrical performance are omitted. Outlet slots are a recognizable envelope, not a certified connector specification. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  183 KBDetails & download
• stepRotate in 3D
  Data outlet wall plate

  Data outlet wall plate, modeled from published dimensions. Overall 70 x 18 x 115 mm. Key dimensions: mount pitch 97 mm. Original nominal architectural fixture. Plate/enclosure dimensions and simplified openings are for layout; wiring, contacts and electrical performance are omitted. Outlet slots are a recognizable envelope, not a certified connector specification. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  98 KBDetails & download
• stepRotate in 3D
  Fire sprinkler head

  Fire sprinkler head, modeled from published dimensions. Overall 33.9 x 33.9 x 52 mm. Key dimensions: deflector diameter 34 mm; body thread envelope 20 mm; total height 52 mm. Original unbranded visualization and coordination model. Representative components and declared envelopes only; no fire rating, detector certification, hydraulic performance or life-safety compliance is assigned. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  316 KBDetails & download
• stepRotate in 3D
  Smoke detector

  Smoke detector, modeled from published dimensions. Overall 120 x 120 x 33.8 mm. Key dimensions: diameter 120 mm; height 33.8 mm. Original unbranded visualization and coordination model. Representative components and declared envelopes only; no fire rating, detector certification, hydraulic performance or life-safety compliance is assigned. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  462 KBDetails & download
• stepRotate in 3D
  Fire extinguisher cabinet

  Fire extinguisher cabinet, modeled from published dimensions. Overall 400 x 183.1 x 650 mm. Key dimensions: glazed door true. Original unbranded visualization and coordination model. Representative components and declared envelopes only; no fire rating, detector certification, hydraulic performance or life-safety compliance is assigned. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  163 KBDetails & download
• stepRotate in 3D
  Square supply diffuser

  Square supply diffuser, modeled from published dimensions. Overall 595 x 595 x 28 mm. Key dimensions: face size 595 mm; nominal ceiling module 609.6 mm. Original dimensioned face geometry for coordination and visualization. Neck, plenum, damper and filter are omitted. No airflow, acoustic performance or ventilation sizing is assigned. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  189 KBDetails & download
• stepRotate in 3D
  Louvered return grille

  Louvered return grille, modeled from published dimensions. Overall 595 x 595 x 23.5 mm. Key dimensions: face size 595 mm; nominal ceiling module 609.6 mm. Original dimensioned face geometry for coordination and visualization. Neck, plenum, damper and filter are omitted. No airflow, acoustic performance or ventilation sizing is assigned. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  396 KBDetails & download
• step2 x 4 ftRotate in 3D
  Ceiling grid and 2 x 4 ft tile

  Ceiling grid and 2 x 4 ft tile, modeled from published dimensions. Overall 609.6 x 1219.2 x 32 mm. Key dimensions: grid height 32 mm. Original nominal ceiling-grid section. Tile has 1 mm edge clearance inside the vertical webs and 4 mm bearing on each support flange. Profiles are simplified; ceiling suspension wires and proprietary connector tabs are omitted. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  77 KBDetails & download
• step2 x 2 ftRotate in 3D
  Ceiling grid and 2 x 2 ft tile

  Ceiling grid and 2 x 2 ft tile, modeled from published dimensions. Overall 609.6 x 609.6 x 32 mm. Key dimensions: grid height 32 mm. Original nominal ceiling-grid section. Tile has 1 mm edge clearance inside the vertical webs and 4 mm bearing on each support flange. Profiles are simplified; ceiling suspension wires and proprietary connector tabs are omitted. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  77 KBDetails & download
• stepRotate in 3D
  Twin-head emergency light

  Twin-head emergency light, modeled from published dimensions. Overall 330 x 90 x 245 mm. Key dimensions: lamp diameter 80 mm. Original architectural layout model. No emergency duration, lumen output, electrical listing or code compliance is implied. Letters are editable solid geometry; battery, circuitry and wiring are omitted. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  215 KBDetails & download
• stepRotate in 3D
  Exit sign

  Exit sign, modeled from published dimensions. Overall 320 x 90 x 190 mm. Key dimensions: width 320 mm; depth 90 mm; height 190 mm. Original architectural layout model. No emergency duration, lumen output, electrical listing or code compliance is implied. Letters are editable solid geometry; battery, circuitry and wiring are omitted. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  225 KBDetails & download
• stepRotate in 3D
  Wall pack light

  Wall pack light, modeled from published dimensions. Overall 320 x 125 x 210 mm. Key dimensions: width 320 mm; depth 125 mm; height 210 mm; face axis -Y. Original unbranded architectural fixture with explicit nominal dimensions. Wiring, anchors and optical internals are omitted; diffuser is unlit and has no assigned photometry or electrical performance. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  61 KBDetails & download
• stepRotate in 3D
  Area pole light

  Area pole light, modeled from published dimensions. Overall 1 x 0.3 x 4.1 m. Key dimensions: pole height 4000 mm; mount square 170 mm; mount hole 22 mm. Original unbranded architectural fixture with explicit nominal dimensions. Wiring, anchors and optical internals are omitted; diffuser is unlit and has no assigned photometry or electrical performance. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  297 KBDetails & download
• stepRotate in 3D
  Bollard light

  Bollard light, modeled from published dimensions. Overall 140 x 140 x 786 mm. Key dimensions: diameter 140 mm; height 786 mm. Original unbranded architectural fixture with explicit nominal dimensions. Wiring, anchors and optical internals are omitted; diffuser is unlit and has no assigned photometry or electrical performance. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  106 KBDetails & download
• stepRotate in 3D
  700 mm track with three light heads

  700 mm track with three light heads, modeled from published dimensions. Overall 700 x 68 x 175 mm. Key dimensions: track length 700 mm; track width 35 mm; head diameter 68 mm; head length 110 mm; head pitch 200 mm. Original unbranded three-head track assembly. Models physical fixture envelopes only; electrical contacts, adjustment locks and optical internals are omitted. No photometry or electrical rating. Exact solid STEP geometry in millimeters, opens in any CAD system. Export to STL, OBJ, GLB and other formats from the viewer. Nominal dimensions for layout, fit checks and visualization; they do not establish a manufacturing tolerance class, load rating or standards certification. Original Innerscene model, released CC0.

  132 KBDetails & download

Looking for 2D drawings, blocks and details? Browse the Drawing Library (1335).

Parts here are contributed by their authors or come from public-domain collections. If you believe a file infringes your rights, use Report on its viewer page or see our copyright policy.