{
 "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": "heart-cam-r15-h20",
 "name": "Heart cam, base radius 15, lift 20 mm",
 "kind": "modern",
 "category": "Hardware",
 "group": "Mechanism parts",
 "year": null,
 "question": "What is a heart cam?",
 "tags": [
  "mechanism part",
  "linkage"
 ],
 "aliases": [
  "heart cam",
  "uniform motion cam"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/heart-cam-r15-h20/",
 "sheet_txt": "https://xemstudio.com/objects/heart-cam-r15-h20/sheet.txt",
 "sheet": {
  "basis": "Xem Studio drawing",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "A heart-shaped plate cam whose radius grows linearly with angle (15 → 35 mm over 180°, back over the next 180°): the follower moves at constant speed both ways."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "base radius",
     "15 mm"
    ],
    [
     "lift",
     "20 mm"
    ],
    [
     "bore",
     "Ø5"
    ]
   ]
  }
 },
 "sheet_text": "Heart cam, base radius 15, lift 20 mm — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/heart-cam-r15-h20/  (CC BY 4.0)\nBasis: Xem Studio drawing\nCatalog version: 2026-10-20\n\nSizes: see table below\n- A heart-shaped plate cam whose radius grows linearly with angle (15 → 35 mm over 180°, back over the next 180°): the follower moves at constant speed both ways.\n\ndimension  value\nbase radius  15 mm\nlift  20 mm\nbore  Ø5\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/heart-cam-mechanism/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/heart-cam-r15-h20/index.json\nAPI: https://xemstudio.com/api/geometry?object=heart-cam-r15-h20\n",
 "sources": [
  {
   "publisher": "Xem Studio",
   "title": "drawing",
   "url": "https://xemstudio.com/objects/heart-cam-mechanism/",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  }
 ],
 "xem": {
  "status": "free-files",
  "sheet_free": true,
  "mesh_price_usd": null,
  "step_price_usd": null,
  "tolerance_mm": null
 },
 "related": [
  "heart-cam-mechanism"
 ],
 "fits": [],
 "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": [],
 "faq": [
  {
   "q": "What is a heart cam?",
   "a": "A heart-shaped plate cam whose radius grows linearly with angle (15 → 35 mm over 180°, back over the next 180°): the follower moves at constant speed both ways."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "heart-cam-r15-h20",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/heart-cam-r15-h20/heart-cam-r15-h20.step",
   "stl": "https://xemstudio.com/files/hardware/heart-cam-r15-h20/heart-cam-r15-h20.stl",
   "note": "Heart cam, 5 mm thick"
  }
 ],
 "markdown": "https://xemstudio.com/objects/heart-cam-r15-h20/index.md"
}