# M5Stack Unit ToF (U010, VL53L0X): housing, LEGO-compatible holes and Grove opening

> What are the M5Stack Unit ToF (U010) housing dimensions and mounting-hole positions?

- Category: Electronic components › Modules, sensors & displays
- Kind: Modern device
- Basis: M5Stack Unit ToF size drawing (docs.m5stack.com) and M5Stack's official Unit_ToF model in the M5_Hardware repository.
- Page: https://xemstudio.com/objects/m5stack-unit-tof-vl53l0x-u010/ · JSON: https://xemstudio.com/api/geometry?object=m5stack-unit-tof-vl53l0x-u010 · Plain text: https://xemstudio.com/objects/m5stack-unit-tof-vl53l0x-u010/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files CC BY 4.0 or their publisher's license
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## Overall (mm)

| length | width | height |
|---|---|---|
| 32.0 | 24.0 | 8.0 |

**Exact dimensions.** Every file is drawn at true size with no tolerance added. The holes and pins that meet another part are listed below under Mating features, with the fit each joint needs; open those by your process's clearance before making the part.

## Notes

- Datum: housing centre; back face (screw side) at 0, sensor face at 8.0. The Grove opening is at the −y end.
- Housing 24.0 × 32.0 × 8.0 with R4 vertical corners.
- Two Ø5.0 LEGO-Technic-compatible holes straight through the housing, 16.0 apart, 12.0 from the Grove end (table).
- Sensor window 8.8 × 6.8, 1.1 deep, centred across the width with its far edge 4.6 from the end opposite the Grove port. Grove opening 10.3 wide × 7.0 long at the Grove end, open from 2.75 above the back face up through the sensor face.
- Modelled: housing outline, holes, window and Grove opening. Not modelled: the Grove socket, the M2 screw in the back face, the label recess, the 0.5 edge rounds and the housing interior.
- Dimensions are exact nominal (true size), no tolerance added.

## Mating features (exact size; open press / slide / run / socket by your process clearance, leave designed and clamp as drawn)

| feature | exact | mates with | fit | files |
|---|---|---|---|---|
| LEGO-compatible holes | 2 × Ø5.0 through, 16.0 apart | LEGO Technic pins or a peg/screw bracket | designed | all |
| Grove opening | 10.3 × 7.0 at the −y end | Grove 4-pin cable plug | designed | all |
| housing | 24.0 × 32.0 × 8.0, R4 corners | pocket in an enclosure or robot frame | socket | all |

## Sizes

| feature | x (mm) | y (mm) | Ø (mm) |
|---|---|---|---|
| LEGO hole 1 | −8.0 | −4.0 | 5.0 through |
| LEGO hole 2 | +8.0 | −4.0 | 5.0 through |
| sensor window centre | 0 | +8.0 | 8.8 × 6.8, 1.1 deep |

## Where the files are

- M5Stack: [Unit ToF size drawing](https://m5stack.oss-cn-shenzhen.aliyuncs.com/resource/docs/products/unit/TOF/%E5%B0%BA%E5%AF%B8%E5%9B%BE.jpg) — web — Publisher's page; dimensions are facts
- M5Stack (GitHub): [M5_Hardware: U010 Unit ToF structure model](https://github.com/m5stack/M5_Hardware/raw/master/Products/U010_Unit_ToF/Structures/Unit_ToF.stl) — web — Publisher's page; dimensions are facts

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

Index: https://xemstudio.com/files/hardware/m5stack-unit-tof-vl53l0x-u010/index.json

- m5stack-unit-tof-vl53l0x-u010: [STEP](https://xemstudio.com/files/hardware/m5stack-unit-tof-vl53l0x-u010/m5stack-unit-tof-vl53l0x-u010.step) · [STL](https://xemstudio.com/files/hardware/m5stack-unit-tof-vl53l0x-u010/m5stack-unit-tof-vl53l0x-u010.stl) — M5Stack Unit ToF (U010, VL53L0X): housing, LEGO-compatible holes and Grove opening

## Questions

**How big is the M5Stack Unit ToF?**

24.0 × 32.0 × 8.0 mm with R4 corners.

**Where are the mounting holes?**

Two Ø5.0 mm LEGO-Technic-compatible holes through the housing, 16.0 mm apart and 12.0 mm from the Grove end.

**Where is the sensor window?**

8.8 × 6.8 mm on the front face, centred across the width, 4.6 mm from the end opposite the Grove port.

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