{
 "version": "2026-10-20",
 "license": "Dimension sheets are written by Xem Studio from the cited sources and are free to use (CC BY 4.0, attribute 'Xem Studio'). Linked files belong to their publishers under the license shown; Xem Studio does not host them. 'license_verified: false' means the license shown is from memory or the publisher's page as last read and should be confirmed at the link before commercial use.",
 "slug": "1530-lite-t-slot-extrusion-inch",
 "name": "1530-Lite T-slot extrusion, 1.5 × 3 in (15-series inch, lite)",
 "kind": "hardware",
 "category": "Hardware",
 "group": "Framing",
 "year": null,
 "question": "What are the exact dimensions of 1530-Lite T-slot extrusion (1.5 × 3 in)?",
 "tags": [
  "extrusion",
  "t-slot",
  "aluminum extrusion",
  "frame",
  "1530-lite",
  "1.5 in 15-series"
 ],
 "aliases": [
  "1530-Lite extrusion step",
  "1530-Lite extrusion dxf",
  "1530-Lite extrusion dimensions",
  "1530-Lite aluminum extrusion cad",
  "1.5x3 extrusion profile",
  "1530-Lite t slot profile",
  "8020 1530-Lite cad",
  "80/20 1530-Lite dimensions",
  "1530-Lite t-slot step file"
 ],
 "overall_mm": {
  "length": null,
  "width": 76.2,
  "height": 38.1
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 2,
 "url": "https://xemstudio.com/objects/1530-lite-t-slot-extrusion-inch/",
 "sheet_txt": "https://xemstudio.com/objects/1530-lite-t-slot-extrusion-inch/sheet.txt",
 "sheet": {
  "basis": "80/20 Inc. 15 series Lite (1.5 in), from 80/20's page for this profile (size, slot count, series, area, weight) and the 1515-Lite and 3030-Lite drawings of the same series for the slot (the page shows no drawing); every slot, lip, cavity, bore and outline number is the drawing's",
  "overall_mm": {
   "length": null,
   "width": 76.2,
   "height": 38.1
  },
  "notes": [
   "1530-Lite T-slot extrusion, 1.5 × 3 in (15-series inch, lite): 1.5 × 3 in, 6 slots on a 1.500 in = 38.100 mm pitch (80/20 Inc. 15 series Lite (1.5 in)). Source: 80/20's page for this profile (size, slot count, series, area, weight) and the 1515-Lite and 3030-Lite drawings of the same series for the slot (the page shows no drawing). Files: STEP and STL at 100, 1000 mm with square ends, and a DXF of the exact cross-section (mm), the master to extrude to any length. The section is centred on the origin and extruded along +Z from z = 0.",
   "Slot: opening 0.320 in = 8.128 mm, lip 0.160 in = 4.064 mm thick at the opening under a 2° drop-lock slope (0.169 in = 4.281 mm at the cavity wall), cavity 0.810 in = 20.574 mm wide under the lips, 0.484 in = 12.294 mm from the face to the cavity floor. Centre bore Ø0.262 in = 6.655 mm per cell (the largest thread whose tap drill fits inside: 5/16-18, 6.53 mm).",
   "Cavity side walls: the cavity is 0.810 in = 20.574 mm wide under the lips, then follows the diagonal webs (0.120 in = 3.048 mm thick, stated) down to the floor; the webs lie on the cell diagonals (45°), as drawn. The web thickness is the one stated on the same-series drawings named above.",
   "The closed hollows between cells are not fully dimensioned on the drawing, so they are drawn filled: the outline, slots and bores are exact, the bar is heavier than the real one. The closed corner pockets of the Lite profile are not dimensioned, so they are drawn filled.",
   "The drawing does not dimension the outer corner radii, so the corners are square: a pocket cut from this file clears the real rounded corners. The small alignment grooves on the faces are not dimensioned and are left off (the faces are flat).",
   "Wrapping it: to make a part that fits around the bar, subtract the 1000 mm file (or extrude the DXF) from your solid; the outline is the drawing's 1.5 × 3 in with no allowance, so open the pocket by your process's socket fit (see Mating features).",
   "Attachments: the 1.5 in 15-series T-nuts, end caps, feet, brackets, gussets, plates and slot covers are cut from these same numbers; the fit check (tools/asm_extrusion_fit.py) placed each one on this profile with zero overlap."
  ],
  "table": {
   "columns": [
    "feature",
    "size",
    "from"
   ],
   "rows": [
    [
     "outline",
     "1.5 × 3 in",
     "drawing"
    ],
    [
     "slot pitch",
     "1.500 in = 38.100 mm",
     "drawing"
    ],
    [
     "slot opening",
     "0.320 in = 8.128 mm",
     "drawing"
    ],
    [
     "lip thickness at the opening",
     "0.160 in = 4.064 mm",
     "drawing"
    ],
    [
     "lip underside slope (drop lock)",
     "2°",
     "maker's page"
    ],
    [
     "cavity width under the lips",
     "0.810 in = 20.574 mm",
     "drawing"
    ],
    [
     "face to cavity floor",
     "0.484 in = 12.294 mm",
     "drawing"
    ],
    [
     "cavity depth under the lip (at the cavity wall)",
     "0.315 in = 8.012 mm",
     "drawing"
    ],
    [
     "core between opposite floors",
     "0.532 in = 13.513 mm",
     "pitch − 2 × face-to-floor (drawing: 0.531 in)"
    ],
    [
     "diagonal web",
     "0.120 in = 3.048 mm",
     "drawing"
    ],
    [
     "centre bore",
     "Ø0.262 in = 6.655 mm × 2",
     "drawing"
    ],
    [
     "cross-section area",
     "1.722 in² (1111 mm²)",
     "maker's page"
    ],
    [
     "weight",
     "0.1679 lb/in (2.015 lb/ft; 3 kg/m)",
     "maker's page (ft and kg/m converted)"
    ],
    [
     "Ix / Iy",
     "1.3847 / 0.3935 in⁴",
     "maker's page"
    ],
    [
     "area of this model's section",
     "1821.7 mm² (2.824 in²)",
     "computed from the DXF"
    ]
   ]
  }
 },
 "sheet_text": "1530-Lite T-slot extrusion, 1.5 × 3 in (15-series inch, lite) — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/1530-lite-t-slot-extrusion-inch/  (CC BY 4.0)\nBasis: 80/20 Inc. 15 series Lite (1.5 in), from 80/20's page for this profile (size, slot count, series, area, weight) and the 1515-Lite and 3030-Lite drawings of the same series for the slot (the page shows no drawing); every slot, lip, cavity, bore and outline number is the drawing's\nCatalog version: 2026-10-20\n\nOverall (mm): width 76.2, height 38.1\n- 1530-Lite T-slot extrusion, 1.5 × 3 in (15-series inch, lite): 1.5 × 3 in, 6 slots on a 1.500 in = 38.100 mm pitch (80/20 Inc. 15 series Lite (1.5 in)). Source: 80/20's page for this profile (size, slot count, series, area, weight) and the 1515-Lite and 3030-Lite drawings of the same series for the slot (the page shows no drawing). Files: STEP and STL at 100, 1000 mm with square ends, and a DXF of the exact cross-section (mm), the master to extrude to any length. The section is centred on the origin and extruded along +Z from z = 0.\n- Slot: opening 0.320 in = 8.128 mm, lip 0.160 in = 4.064 mm thick at the opening under a 2° drop-lock slope (0.169 in = 4.281 mm at the cavity wall), cavity 0.810 in = 20.574 mm wide under the lips, 0.484 in = 12.294 mm from the face to the cavity floor. Centre bore Ø0.262 in = 6.655 mm per cell (the largest thread whose tap drill fits inside: 5/16-18, 6.53 mm).\n- Cavity side walls: the cavity is 0.810 in = 20.574 mm wide under the lips, then follows the diagonal webs (0.120 in = 3.048 mm thick, stated) down to the floor; the webs lie on the cell diagonals (45°), as drawn. The web thickness is the one stated on the same-series drawings named above.\n- The closed hollows between cells are not fully dimensioned on the drawing, so they are drawn filled: the outline, slots and bores are exact, the bar is heavier than the real one. The closed corner pockets of the Lite profile are not dimensioned, so they are drawn filled.\n- The drawing does not dimension the outer corner radii, so the corners are square: a pocket cut from this file clears the real rounded corners. The small alignment grooves on the faces are not dimensioned and are left off (the faces are flat).\n- Wrapping it: to make a part that fits around the bar, subtract the 1000 mm file (or extrude the DXF) from your solid; the outline is the drawing's 1.5 × 3 in with no allowance, so open the pocket by your process's socket fit (see Mating features).\n- Attachments: the 1.5 in 15-series T-nuts, end caps, feet, brackets, gussets, plates and slot covers are cut from these same numbers; the fit check (tools/asm_extrusion_fit.py) placed each one on this profile with zero overlap.\n\nfeature  size  from\noutline  1.5 × 3 in  drawing\nslot pitch  1.500 in = 38.100 mm  drawing\nslot opening  0.320 in = 8.128 mm  drawing\nlip thickness at the opening  0.160 in = 4.064 mm  drawing\nlip underside slope (drop lock)  2°  maker's page\ncavity width under the lips  0.810 in = 20.574 mm  drawing\nface to cavity floor  0.484 in = 12.294 mm  drawing\ncavity depth under the lip (at the cavity wall)  0.315 in = 8.012 mm  drawing\ncore between opposite floors  0.532 in = 13.513 mm  pitch − 2 × face-to-floor (drawing: 0.531 in)\ndiagonal web  0.120 in = 3.048 mm  drawing\ncentre bore  Ø0.262 in = 6.655 mm × 2  drawing\ncross-section area  1.722 in² (1111 mm²)  maker's page\nweight  0.1679 lb/in (2.015 lb/ft; 3 kg/m)  maker's page (ft and kg/m converted)\nIx / Iy  1.3847 / 0.3935 in⁴  maker's page\narea of this model's section  1821.7 mm² (2.824 in²)  computed from the DXF\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- 80/20 Inc.: 1530-Lite: 1.50 x 3.00 lite T-slotted profile, six open T-slots: product page with the cross-section drawing and section properties — web — 80/20 site terms [verify license at link] — https://8020.net/1530-lite.html\n- 80/20 Inc.: 1515-Lite dimensioned cross-section drawing (same series slot) — image — 80/20 site terms [verify license at link] — https://8020.net/media/catalog/product/1/5/1515-lite_dimensional.png\n- 80/20 Inc.: 3030-Lite dimensioned cross-section drawing (same series slot) — image — 80/20 site terms [verify license at link] — https://8020.net/media/catalog/product/3/0/3030-lite_dimensional.png\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 2 parts): https://xemstudio.com/files/hardware/1530-lite-t-slot-extrusion-inch/index.json\nAPI: https://xemstudio.com/api/geometry?object=1530-lite-t-slot-extrusion-inch\n",
 "sources": [
  {
   "publisher": "80/20 Inc.",
   "title": "1530-Lite: 1.50 x 3.00 lite T-slotted profile, six open T-slots: product page with the cross-section drawing and section properties",
   "url": "https://8020.net/1530-lite.html",
   "formats": [
    "web"
   ],
   "license": "80/20 site terms",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "80/20 Inc.",
   "title": "1515-Lite dimensioned cross-section drawing (same series slot)",
   "url": "https://8020.net/media/catalog/product/1/5/1515-lite_dimensional.png",
   "formats": [
    "image"
   ],
   "license": "80/20 site terms",
   "license_verified": false,
   "hosted": false
  },
  {
   "publisher": "80/20 Inc.",
   "title": "3030-Lite dimensioned cross-section drawing (same series slot)",
   "url": "https://8020.net/media/catalog/product/3/0/3030-lite_dimensional.png",
   "formats": [
    "image"
   ],
   "license": "80/20 site terms",
   "license_verified": false,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "1515-lite-t-slot-extrusion-inch",
  "3030-lite-t-slot-extrusion-inch",
  "slide-in-t-nuts",
  "drop-in-t-nuts",
  "t-slot-end-caps",
  "t-slot-corner-brackets"
 ],
 "fits": [
  {
   "role": "Parts that fit it",
   "items": [
    {
     "slug": "slide-in-t-nuts",
     "why": "tongue in the opening, body in the cavity (slide)"
    },
    {
     "slug": "drop-in-t-nuts",
     "why": "drops through the opening, turns 90° in the cavity"
    },
    {
     "slug": "t-slot-corner-brackets",
     "why": "legs flat on two profile faces at 90°"
    },
    {
     "slug": "t-slot-gussets",
     "why": "legs on two profile faces in the inside corner"
    },
    {
     "slug": "t-slot-covers",
     "why": "stem in the slot opening, barb behind the lips"
    },
    {
     "slug": "t-slot-joining-plates",
     "why": "holes over the slot centrelines on the profile pitch"
    },
    {
     "slug": "t-slot-end-caps",
     "why": "end-cap-15in-2x1: pins in the centre bores (press)"
    }
   ]
  },
  {
   "role": "Alternatives",
   "items": [
    {
     "slug": "1515-lite-t-slot-extrusion-inch",
     "why": "same 1.5 in 15-series slot, 1.5 × 1.5 in"
    },
    {
     "slug": "3030-lite-t-slot-extrusion-inch",
     "why": "same 1.5 in 15-series slot, 3 × 3 in"
    }
   ]
  }
 ],
 "dimensions": "exact (nominal, no printing tolerance)",
 "dimension_rule": "All geometry on Xem Studio is exact (nominal, true size) with no printing tolerance. Where a part meets another part, the object lists its mating features (feature, exact size, what it mates with, fit class: press, slide, run, socket, clamp or designed). Apply your process's allowance to those features only; 'designed' gaps are part of the design and stay as drawn.",
 "mating": [
  {
   "feature": "slot opening",
   "exact": "0.320 in (8.13)",
   "mates": "T-nut tongue, slot-cover stem (1.5 in 15-series)",
   "fit": "slide",
   "files": "all"
  },
  {
   "feature": "slot cavity",
   "exact": "0.810 in (20.57) wide under the lips, face to floor 0.484 in (12.29), lip 0.160 in (4.06)",
   "mates": "T-nut body (slide-in, drop-in)",
   "fit": "slide",
   "files": "all"
  },
  {
   "feature": "centre bore",
   "exact": "Ø0.262 in (6.65)",
   "mates": "5/16-18 thread (tap drill 6.53); end-cap pin",
   "fit": "designed",
   "files": "all"
  },
  {
   "feature": "outline",
   "exact": "1.5 × 3 in, square corners",
   "mates": "end-cap outline, foot socket, a pocket that wraps the bar",
   "fit": "socket",
   "files": "all"
  }
 ],
 "fit_classes": {
  "press": "stays put: pin, tube, bearing or magnet held by interference. Typical FDM: hole +0.0 to +0.1 mm on diameter.",
  "slide": "assembles by hand and is held by a grub, pinch or clamp: shaft in a hub, rod in a socket, spigot in a bore. Typical FDM: +0.2 mm.",
  "run": "turns or slides in use: pin in a link, rod through a guide. Typical FDM: +0.3 mm.",
  "socket": "large sliding fit: syringe barrel, sleeve, bobbin in a bore. Typical FDM: +0.3 mm.",
  "clamp": "split part that closes on the mating part with screws: make it at size.",
  "designed": "a gap that is part of the design (piston fit option, displacer gap, air gap): do not change."
 },
 "faq": [
  {
   "q": "What is the slot size of 1530-Lite extrusion?",
   "a": "Opening 0.320 in = 8.128 mm, lip 0.160 in = 4.064 mm, cavity 0.810 in = 20.574 mm wide under the lips and 0.484 in = 12.294 mm deep from the face to the floor, per 80/20 Inc. 15 series Lite (1.5 in)'s drawing."
  },
  {
   "q": "What T-nuts fit 1530-Lite extrusion?",
   "a": "The 1.5 in 15-series nuts: slide-in (tnut-slide-15in-5-16-18, tnut-slide-15in-1-4-20) and drop-in versions, threaded 5/16-18, 1/4-20 as tap-drill holes, cut to this slot's exact space."
  },
  {
   "q": "Can I subtract this file to make a part that fits the extrusion exactly?",
   "a": "Yes: the outline is exactly 1.5 × 3 in with square corners (the real bar's corners are rounded, so the pocket clears them); extrude the DXF or subtract the 1000 mm STEP, then open the pocket by your fit."
  },
  {
   "q": "How heavy is 1530-Lite extrusion?",
   "a": "0.1679 lb/in (2.015 lb/ft), 1.722 in² section, as 80/20 states. This model's section is larger because closed hollows / cavity details the drawing leaves undimensioned are drawn filled; use the stated weight, not the model's volume."
  },
  {
   "q": "What in this model is not taken straight from the drawing?",
   "a": "The closed hollows between cells are not fully dimensioned on the drawing, so they are drawn filled: the outline, slots and bores are exact, the bar is heavier than the real one. The closed corner pockets of the Lite profile are not dimensioned, so they are drawn filled. The drawing does not dimension the outer corner radii, so the corners are square: a pocket cut from this file clears the real rounded corners. Face grooves are left off."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "1530lite-100",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/1530-lite-t-slot-extrusion-inch/1530lite-100.step",
   "stl": "https://xemstudio.com/files/hardware/1530-lite-t-slot-extrusion-inch/1530lite-100.stl",
   "note": "1530-Lite T-slot extrusion, 1.5 × 3 in (15-series inch, lite): 1.5 × 3 in section, 100 mm long, square ends; DXF = the exact cross-section in mm"
  },
  {
   "file": "1530lite-1000",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/1530-lite-t-slot-extrusion-inch/1530lite-1000.step",
   "stl": "https://xemstudio.com/files/hardware/1530-lite-t-slot-extrusion-inch/1530lite-1000.stl",
   "note": "1530-Lite T-slot extrusion, 1.5 × 3 in (15-series inch, lite): 1.5 × 3 in section, 1000 mm long, square ends; DXF = the exact cross-section in mm"
  }
 ],
 "markdown": "https://xemstudio.com/objects/1530-lite-t-slot-extrusion-inch/index.md"
}