# NeoPixel rings, sticks, jewel, matrices and RGB LED matrix panels

> What are NeoPixel ring dimensions (12, 16, 24 pixel)?

- Category: Electronics › Indicators
- Kind: Modern device
- Basis: Adafruit CAD (MIT): NeoPixel Ring 12 = Ø36.8 mm OD / 23.3 ID, Ring 16 = Ø44.5 / 31.7, Ring 24 = Ø66 / 52.3, Jewel Ø23, Stick 51 × 10.2 mm, NeoMatrix 8×8 71 × 71 mm; RGB matrix panels 64×32 at 4 mm pitch = 256 × 128 mm
- Page: https://xemstudio.com/objects/adafruit-neopixel-rings-matrices/ · JSON: https://xemstudio.com/api/geometry?object=adafruit-neopixel-rings-matrices · Plain text: https://xemstudio.com/objects/adafruit-neopixel-rings-matrices/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses

## Notes

- Rings: 12-pixel Ø36.8 outside / Ø23.3 inside; 16-pixel Ø44.5 / Ø31.7; 24-pixel Ø66 / Ø52.3; 1.6 mm PCB plus 1.6 mm LEDs (5050 package, 5 × 5 mm). Jewel (7 px) Ø23 mm. Triple ring board 108 mm OD.
- Stick (8 px): 51 × 10.2 mm, holes Ø1.5 at the ends. NeoMatrix 8×8: 71 × 71 mm, LEDs on 8.9 mm pitch. NeoTrellis 4×4: 60 × 60 mm, 15 mm button pitch. NeoKey 1×4: 76 × 21 mm, 19.05 mm key pitch.
- RGB matrix panels: 64×32 pixels at 4 mm = 256 × 128 mm, at 5 mm = 320 × 160 mm, at 2.5 mm = 160 × 80 mm; 4 × M3 holes near the corners plus centre holes, 14 mm deep with the driver boards.

## Sizes

| product | bbox_l_mm | bbox_w_mm | bbox_h_mm |
|---|---|---|---|
| 2643 NeoPixel Ring 12 | 36.8 | 36.8 | 3.0 |
| 1463 16x NeoPixel Ring | 44.5 | 44.5 | 3.3 |
| 1586 NeoPixel Ring 24x | 65.5 | 65.5 | 3.0 |
| 2226 NeoPixel Jewel | 23.0 | 23.0 | 2.5 |
| 1426 8x NeoPixel Stick | 50.8 | 10.2 | 2.6 |
| 1487 NeoMatrix 8x8 | 71.1 | 71.1 | 3.0 |
| 4222 NeoPixel Triple-Ring Board | 66.0 | 66.0 | 6.6 |
| 3954 Adafruit NeoTrellis | 60.0 | 60.0 | 7.6 |
| 4980 NeoKey 1x4 QT | 76.2 | 21.6 | 4.5 |
| 2278 RGB Matrix 4mm | 255.0 | 128.0 | 13.5 |
| 2277 RGB Matrix 5mm | 320.0 | 160.0 | 17.7 |
| 5036 RGB Matrix 2.5mm | 160.0 | 80.0 | 17.5 |
| 5210 LED Glasses IS31FL3741 | 147.0 | 62.9 | 4.5 |
| 5646 NeoPixel Grid 5x5 BFF | 20.7 | 17.8 | 2.9 |
| 5975 NeoPixel Breakout | 12.2 | 11.4 | 5.9 |
| 1376 NeoPixel Strip | 224.0 | 12.0 | 1.7 |

## Where the files are

- Adafruit (official): [Adafruit_CAD_Parts: STEP, Fusion 360 and STL for Adafruit products](https://github.com/adafruit/Adafruit_CAD_Parts) — STEP, F3D, STL — MIT

## Free STEP/STL (16 parts, MIT License (Adafruit_CAD_Parts), Adafruit Industries)

Index: https://xemstudio.com/files/adafruit/adafruit-neopixel-rings-matrices/index.json

- 2643-neopixel-ring-12: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/2643%20NeoPixel%20Ring%2012/2643%20NeoPixel%20Ring%2012.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/2643%20NeoPixel%20Ring%2012/2643%20NeoPixel%20Ring%2012.stl) — Adafruit #2643 NeoPixel Ring 12; bbox 36.8 × 36.8 × 3.0 mm; 0.1 MB on GitHub
- 1463-16x-neopixel-ring: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/1463%2016x%20NeoPixel%20Ring/1463%2016x%20NeoPixel%20Ring.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/1463%2016x%20NeoPixel%20Ring/Adafruit%20NeoPixel%20Ring%2016%20B.stl) — Adafruit #1463 16x NeoPixel Ring; bbox 44.5 × 44.5 × 3.3 mm; 0.1 MB on GitHub
- 1586-neopixel-ring-24x: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/1586%20NeoPixel%20Ring%2024x/24x%20NeoPixel%20Ring%201586.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/1586%20NeoPixel%20Ring%2024x/24x%20NeoPixel%20Ring%201586.stl) — Adafruit #1586 NeoPixel Ring 24x; bbox 65.5 × 65.5 × 3.0 mm; 0.2 MB on GitHub
- 2226-neopixel-jewel: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/2226%20NeoPixel%20Jewel/2226%20NeoPixel%20Jewel.step) — Adafruit #2226 NeoPixel Jewel; bbox 23.0 × 23.0 × 2.5 mm; 0.1 MB on GitHub
- 1426-8x-neopixel-stick: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/1426%208x%20NeoPixel%20Stick/1426%208x%20NeoPixel%20Stick.step) — Adafruit #1426 8x NeoPixel Stick; bbox 50.8 × 10.2 × 2.6 mm; 0.1 MB on GitHub
- 1487-neomatrix-8x8: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/1487%20NeoMatrix%208x8/1487%20NeoMatrix%208x8.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/1487%20NeoMatrix%208x8/1487%20NeoMatrix%208x8.stl) — Adafruit #1487 NeoMatrix 8x8; bbox 71.1 × 71.1 × 3.0 mm; 0.4 MB on GitHub
- 4222-neopixel-triple-ring-board: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/4222%20NeoPixel%20Triple-Ring%20Board/4222%20NeoPixel%20Triple-Ring.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/4222%20NeoPixel%20Triple-Ring%20Board/4222%20NeoPixel%20Triple-Ring.stl) — Adafruit #4222 NeoPixel Triple-Ring Board; bbox 66.0 × 66.0 × 6.6 mm; 0.4 MB on GitHub
- 3954-adafruit-neotrellis: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/3954%20Adafruit%20NeoTrellis/Adafruit%20NeoTrellis%204x4.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/3954%20Adafruit%20NeoTrellis/Adafruit%20NeoTrellis%204x4%20v2.stl) — Adafruit #3954 Adafruit NeoTrellis; bbox 60.0 × 60.0 × 7.6 mm; 1.0 MB on GitHub
- 4980-neokey-1x4-qt: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/4980%20NeoKey%201x4%20QT/4980%20NeoKey%201x4%20QT.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/4980%20NeoKey%201x4%20QT/4980%20NeoKey%201x4%20QT.stl) — Adafruit #4980 NeoKey 1x4 QT; bbox 76.2 × 21.6 × 4.5 mm; 1.5 MB on GitHub
- 2278-rgb-matrix-4mm: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/2278%20RGB%20Matrix%204mm/2278%20RGB%20Matrix%204mm.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/2278%20RGB%20Matrix%204mm/2278%20RGB%20Matrix%204mm.stl) — Adafruit #2278 RGB Matrix 4mm; bbox 255.0 × 128.0 × 13.5 mm; 0.1 MB on GitHub
- 2277-rgb-matrix-5mm: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/2277%20RGB%20Matrix%205mm/2277%20RGB%20Matrix.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/2277%20RGB%20Matrix%205mm/2277%20RGB%20Matrix.stl) — Adafruit #2277 RGB Matrix 5mm; bbox 320.0 × 160.0 × 17.7 mm; 57.3 MB on GitHub
- 5036-rgb-matrix-2.5mm: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/5036%20RGB%20Matrix%202.5mm/5036%20RGB%20Matrix.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/5036%20RGB%20Matrix%202.5mm/5036%20RGB%20Matrix.stl) — Adafruit #5036 RGB Matrix 2.5mm; bbox 160.0 × 80.0 × 17.5 mm; 4.6 MB on GitHub
- 5210-led-glasses-is31fl3741: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/5210%20LED%20Glasses%20IS31FL3741/5210%20LED%20Glasses-IS31FL3741.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/5210%20LED%20Glasses%20IS31FL3741/5210%20LED%20Glasses-IS31FL3741.stl) — Adafruit #5210 LED Glasses IS31FL3741; bbox 147.0 × 62.9 × 4.5 mm; 1.5 MB on GitHub
- 5646-neopixel-grid-5x5-bff: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/5646%20NeoPixel%20Grid%205x5%20BFF/5646%20NeoPixel%20Grid%205x5%20BFF.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/5646%20NeoPixel%20Grid%205x5%20BFF/5646%20NeoPixel%20Grid%205x5%20BFF.stl) — Adafruit #5646 NeoPixel Grid 5x5 BFF; bbox 20.7 × 17.8 × 2.9 mm; 0.3 MB on GitHub
- 5975-neopixel-breakout: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/5975%20NeoPixel%20Breakout/5975%20NeoPixel%20Breakout.step) · [STL](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/5975%20NeoPixel%20Breakout/5975%20NeoPixel%20Breakout.stl) — Adafruit #5975 NeoPixel Breakout; bbox 12.2 × 11.4 × 5.9 mm; 0.2 MB on GitHub
- 1376-neopixel-strip: [STEP](https://raw.githubusercontent.com/adafruit/Adafruit_CAD_Parts/main/1376%20NeoPixel%20Strip/1376%20NeoPixel%20Strip.step) — Adafruit #1376 NeoPixel Strip; bbox 224.0 × 12.0 × 1.7 mm; 0.2 MB on GitHub

## Questions

**What is the diameter of the 16 pixel NeoPixel ring?**

44.5 mm outside, 31.7 mm inside hole; the 12-pixel ring is 36.8 / 23.3 mm and the 24-pixel ring 66 / 52.3 mm.

**How big is a 64x32 RGB LED matrix?**

256 × 128 mm at 4 mm pitch (P4), 320 × 160 at P5, 160 × 80 at P2.5; about 14 mm deep; four M3 mounting holes near the corners.

**What is the LED pitch on the NeoPixel 8x8 matrix?**

8.9 mm (0.35 in); the board is 71 × 71 mm. The Flexible 8×8 is 80 × 80 mm with a 10 mm pitch.

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