# SpeedyBee F405 Mini (F405 V3 20×20) flight controller

> What are the dimensions of the SpeedyBee F405 Mini (F405 V3 20×20) flight controller?

- Category: Drones › Flight controllers and ESCs
- Kind: Modern device
- Basis: Secondary source: GetFPV (copy of the maker's figures; the maker publishes none directly)
- Page: https://xemstudio.com/objects/speedybee-f405-mini-flight-controller-20x20/ · JSON: https://xemstudio.com/api/geometry?object=speedybee-f405-mini-flight-controller-20x20 · Plain text: https://xemstudio.com/objects/speedybee-f405-mini-flight-controller-20x20/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 30 | 32 | 7.8 |

**Exact dimensions.** True size, with no printing tolerance added.

## 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.

## Sizes

| dimension | value |
|---|---|
| Board size | 30 × 32 × 7.8 mm (L×W×H) |
| Mounting pattern | 20 × 20 mm |
| Mounting hole | Ø3.5 mm |
| Weight | 9.6 g |

## Where the files are

- GetFPV: [SpeedyBee F405 Mini Stack (F405 V3 FC + 35A ESC) 20x20](https://www.getfpv.com/speedybee-f405-mini-stack-f405-v3-fc-35a-3-6s-blheli-s-4-in-1-esc-20x20.html) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, CC BY 4.0, Xem Studio)

Index: https://xemstudio.com/files/hardware/speedybee-f405-mini-flight-controller-20x20/index.json

- speedybee-f405-mini-flight-controller-20x20-board: [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) — Board 30 × 32 × 7.8 mm with its published mounting holes (holes centred on the board)

## Questions

**Does the SpeedyBee F405 Mini fit 20×20?**

Yes: 20 × 20 mm pattern, Ø3.5 mm holes, board 30 × 32 × 7.8 mm.

## Fits with

- [SpeedyBee F405 V4 flight controller (30×30)](https://xemstudio.com/objects/speedybee-f405-v4-flight-controller/)
- [SpeedyBee BLS 55A 4-in-1 ESC (30×30)](https://xemstudio.com/objects/speedybee-bls-55a-4in1-esc-30x30/)
- [SpeedyBee 35A BLHeli_S Mini V2 4-in-1 ESC (20×20)](https://xemstudio.com/objects/speedybee-35a-bls-mini-v2-esc-20x20/)