{
 "version": "2026-10-20",
 "license": "Dimension sheets: CC BY 4.0. Standard and published-size files: CC BY 4.0. Xem Studio's own designs (files_license = Xem Studio Design License): free to use and sell things from, not to redistribute as files — https://xemstudio.com/license/. Other publishers' files: their own license, linked beside them.",
 "slug": "speedybee-f405-mini-flight-controller-20x20",
 "name": "SpeedyBee F405 Mini (F405 V3 20×20) flight controller",
 "kind": "modern",
 "category": "Drones",
 "group": "Flight controllers and ESCs",
 "year": null,
 "question": "What are the dimensions of the SpeedyBee F405 Mini (F405 V3 20×20) flight controller?",
 "tags": [
  "drone",
  "quadcopter",
  "fpv",
  "uav",
  "flight controllers and escs"
 ],
 "aliases": [
  "SpeedyBee F405 Mini dimensions",
  "SpeedyBee F405 Mini mounting",
  "SpeedyBee 20x20 FC size",
  "F405 Mini board size",
  "SpeedyBee F405 Mini weight",
  "20x20 flight controller size",
  "dimensiones SpeedyBee F405 Mini",
  "SpeedyBee F405 Mini Abmessungen"
 ],
 "overall_mm": {
  "length": 30,
  "width": 32,
  "height": 7.8
 },
 "official_cad": false,
 "xem_status": "free-files",
 "les": false,
 "free_files": 1,
 "url": "https://xemstudio.com/objects/speedybee-f405-mini-flight-controller-20x20/",
 "sheet_txt": "https://xemstudio.com/objects/speedybee-f405-mini-flight-controller-20x20/sheet.txt",
 "sheet": {
  "basis": "Secondary source: GetFPV (copy of the maker's figures; the maker publishes none directly)",
  "overall_mm": {
   "length": 30,
   "width": 32,
   "height": 7.8
  },
  "notes": [
   "FC from the SpeedyBee F405 Mini 35A 20×20 stack, as listed by GetFPV.",
   "Modelled as a block with four Ø3.5 holes on a centred 20 mm square.",
   "True size, no printing tolerance added. Only published numbers are used; anything not published is said so.",
   "Secondary source: the numbers come from a retailer or magazine copy of the maker's specification."
  ],
  "table": {
   "columns": [
    "dimension",
    "value"
   ],
   "rows": [
    [
     "Board size",
     "30 × 32 × 7.8 mm (L×W×H)"
    ],
    [
     "Mounting pattern",
     "20 × 20 mm"
    ],
    [
     "Mounting hole",
     "Ø3.5 mm"
    ],
    [
     "Weight",
     "9.6 g"
    ]
   ]
  }
 },
 "sheet_text": "SpeedyBee F405 Mini (F405 V3 20×20) flight controller — dimension sheet\nSource: Xem Studio, https://xemstudio.com/objects/speedybee-f405-mini-flight-controller-20x20/  (sheet CC BY 4.0)\nBasis: Secondary source: GetFPV (copy of the maker's figures; the maker publishes none directly)\nCatalog version: 2026-10-20\n\nOverall (mm): length 30, width 32, height 7.8\n- FC from the SpeedyBee F405 Mini 35A 20×20 stack, as listed by GetFPV.\n- Modelled as a block with four Ø3.5 holes on a centred 20 mm square.\n- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.\n- Secondary source: the numbers come from a retailer or magazine copy of the maker's specification.\n\ndimension  value\nBoard size  30 × 32 × 7.8 mm (L×W×H)\nMounting pattern  20 × 20 mm\nMounting hole  Ø3.5 mm\nWeight  9.6 g\n\nFiles elsewhere (not hosted by Xem Studio; license as stated by the publisher):\n- GetFPV: SpeedyBee F405 Mini Stack (F405 V3 FC + 35A ESC) 20x20 — web — Publisher's page; dimensions are facts — https://www.getfpv.com/speedybee-f405-mini-stack-f405-v3-fc-35a-3-6s-blheli-s-4-in-1-esc-20x20.html\n\nFree files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/speedybee-f405-mini-flight-controller-20x20/index.json\nAPI: https://xemstudio.com/api/geometry?object=speedybee-f405-mini-flight-controller-20x20\n",
 "sources": [
  {
   "publisher": "GetFPV",
   "title": "SpeedyBee F405 Mini Stack (F405 V3 FC + 35A ESC) 20x20",
   "url": "https://www.getfpv.com/speedybee-f405-mini-stack-f405-v3-fc-35a-3-6s-blheli-s-4-in-1-esc-20x20.html",
   "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": [
  "speedybee-f405-v4-flight-controller",
  "speedybee-bls-55a-4in1-esc-30x30",
  "speedybee-35a-bls-mini-v2-esc-20x20"
 ],
 "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": "Does the SpeedyBee F405 Mini fit 20×20?",
   "a": "Yes: 20 × 20 mm pattern, Ø3.5 mm holes, board 30 × 32 × 7.8 mm."
  }
 ],
 "files_license": null,
 "offers": [
  {
   "file": "speedybee-f405-mini-flight-controller-20x20-board",
   "formats": [
    "step",
    "stl"
   ],
   "price_usd": 0,
   "license": "CC BY 4.0 (Xem Studio)",
   "step": "https://xemstudio.com/files/hardware/speedybee-f405-mini-flight-controller-20x20/speedybee-f405-mini-flight-controller-20x20-board.step",
   "stl": "https://xemstudio.com/files/hardware/speedybee-f405-mini-flight-controller-20x20/speedybee-f405-mini-flight-controller-20x20-board.stl",
   "note": "Board 30 × 32 × 7.8 mm with its published mounting holes (holes centred on the board)"
  }
 ],
 "markdown": "https://xemstudio.com/objects/speedybee-f405-mini-flight-controller-20x20/index.md"
}