{
 "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": "follower-guide-block-8",
 "name": "Follower guide block 30 × 16 × 6 for an 8 mm wide follower",
 "kind": "modern",
 "category": "Hardware",
 "group": "Mechanism parts",
 "year": null,
 "question": "What is a follower guide?",
 "tags": [
  "mechanism part",
  "507 mechanical movements"
 ],
 "aliases": [
  "follower guide",
  "cam follower guide",
  "guía del seguidor",
  "Stößelführung"
 ],
 "overall_mm": {
  "length": 30,
  "width": 16,
  "height": 6
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/follower-guide-block-8/",
 "sheet_txt": "https://xemstudio.com/objects/follower-guide-block-8/sheet.txt",
 "sheet": {
  "basis": "Xem Studio design following Brown's figure (1868); true size, no printing allowance",
  "overall_mm": {
   "length": 30,
   "width": 16,
   "height": 6
  },
  "notes": [
   "30 × 16 × 6 block with an 8 mm wide through slot that guides a cam follower rod on a straight radial line; two Ø3.4 (M3 clearance) holes.",
   "Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features)."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "block",
     "30 × 16 × 6 mm"
    ],
    [
     "slot",
     "8 mm"
    ],
    [
     "holes",
     "2 × Ø3.4"
    ]
   ]
  }
 },
 "sheet_text": "Follower guide block 30 × 16 × 6 for an 8 mm wide follower — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/follower-guide-block-8/  (CC BY 4.0)\nBasis: Xem Studio design following Brown's figure (1868); true size, no printing allowance\nCatalog version: 2026-10-20\n\nOverall (mm): length 30.0, width 16.0, height 6.0\n- 30 × 16 × 6 block with an 8 mm wide through slot that guides a cam follower rod on a straight radial line; two Ø3.4 (M3 clearance) holes.\n- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).\n\ndimension  value\nblock  30 × 16 × 6 mm\nslot  8 mm\nholes  2 × Ø3.4\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- Henry T. Brown (1868, public domain): Five Hundred and Seven Mechanical Movements — scan on archive.org — web — Publisher's page; dimensions are facts — https://archive.org/details/fivehundredseven00browiala\n- 507movements.com: Brown's movement No. 138: figure, his text and an animation — web — Publisher's page; dimensions are facts — https://507movements.com/mm_138.html\n- Xem Studio: drawing — web — Publisher's page; dimensions are facts — https://xemstudio.com/objects/plate-cam-knife-edge-follower-mechanism/\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/follower-guide-block-8/index.json\nAPI: https://xemstudio.com/api/geometry?object=follower-guide-block-8\n",
 "sources": [
  {
   "publisher": "Henry T. Brown (1868, public domain)",
   "title": "Five Hundred and Seven Mechanical Movements — scan on archive.org",
   "url": "https://archive.org/details/fivehundredseven00browiala",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "507movements.com",
   "title": "Brown's movement No. 138: figure, his text and an animation",
   "url": "https://507movements.com/mm_138.html",
   "formats": [
    "web"
   ],
   "license": "Publisher's page; dimensions are facts",
   "license_verified": true,
   "hosted": false
  },
  {
   "publisher": "Xem Studio",
   "title": "drawing",
   "url": "https://xemstudio.com/objects/plate-cam-knife-edge-follower-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": [
  "plate-cam-knife-follower-mechanism",
  "plate-cam-roller-follower-mechanism",
  "plate-cam-flat-follower-mechanism",
  "plate-cam-mushroom-follower-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 follower guide?",
   "a": "30 × 16 × 6 block with an 8 mm wide through slot that guides a cam follower rod on a straight radial line; two Ø3.4 (M3 clearance) holes."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "follower-guide-block-8",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/follower-guide-block-8/follower-guide-block-8.step",
   "stl": "https://xemstudio.com/files/hardware/follower-guide-block-8/follower-guide-block-8.stl",
   "note": "guide block, slot along Y"
  }
 ],
 "markdown": "https://xemstudio.com/objects/follower-guide-block-8/index.md"
}