{
 "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": "vintage-knob-set",
 "name": "Vintage radio and hi-fi knob set",
 "kind": "vintage",
 "category": "Vintage forms",
 "group": "Radio & hi-fi",
 "year": 1960,
 "question": "What are the profiles and shaft fits of classic radio and hi-fi knobs?",
 "tags": [
  "knob",
  "bakelite",
  "shaft",
  "replacement",
  "mid-century"
 ],
 "aliases": [
  "bakelite knobs",
  "radio knobs",
  "hifi knobs",
  "vintage knobs"
 ],
 "overall_mm": {
  "length": null,
  "width": null,
  "height": null
 },
 "official_cad": false,
 "xem_status": "planned",
 "free_files": 0,
 "url": "https://xemstudio.com/objects/vintage-knob-set/",
 "sheet_txt": "https://xemstudio.com/objects/vintage-knob-set/sheet.txt",
 "sheet": {
  "basis": "to be scanned",
  "overall_mm": {
   "length": null,
   "width": null,
   "height": null
  },
  "notes": [
   "Six profiles planned: skirted, fluted, pointer, chicken-head, cylinder, domed.",
   "Bores for 1/4 in D-shaft, 6 mm D-shaft and set-screw round shafts.",
   "Use: replacements for restorations, or the knob on a modern device."
  ]
 },
 "sheet_text": "Vintage radio and hi-fi knob set — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/vintage-knob-set/  (CC BY 4.0)\nBasis: to be scanned\nCatalog version: 2026-10-20\n\nOverall (mm): not yet published\n- Six profiles planned: skirted, fluted, pointer, chicken-head, cylinder, domed.\n- Bores for 1/4 in D-shaft, 6 mm D-shaft and set-screw round shafts.\n- Use: replacements for restorations, or the knob on a modern device.\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n\nXem Studio scan: planned. Mesh $5, STEP $9, target tolerance ±0.1 mm.\nAPI: https://xemstudio.com/api/geometry?object=vintage-knob-set\n",
 "sources": [],
 "xem": {
  "status": "planned",
  "sheet_free": true,
  "mesh_price_usd": 5,
  "step_price_usd": 9,
  "tolerance_mm": 0.1
 },
 "related": [
  "tube-radio-1950s",
  "echo-dot-5",
  "nema-17-stepper"
 ],
 "faq": [
  {
   "q": "Is there a 3D model of the Vintage radio and hi-fi knob set for making a case or mount?",
   "a": "No open manufacturer CAD. The free sheet gives the overall size; a measured Xem scan (mesh $5, STEP $9) is planned."
  }
 ],
 "offers": [
  {
   "file": "mesh",
   "status": "planned",
   "price_usd": 5,
   "target_tolerance_mm": 0.1
  },
  {
   "file": "step",
   "status": "planned",
   "price_usd": 9,
   "target_tolerance_mm": 0.1
  }
 ],
 "markdown": "https://xemstudio.com/objects/vintage-knob-set/index.md"
}