# Lewis side wedge 5 → 10 × 14 × 50, Ø6 pin hole

> What are the side pieces of a lewis?

- Category: Hardware › Mechanism parts
- Kind: Modern device
- Basis: Xem Studio design following Brown's figure (1868); true size, no printing allowance
- Page: https://xemstudio.com/objects/lewis-side-wedge-5-10x14x50/ · JSON: https://xemstudio.com/api/geometry?object=lewis-side-wedge-5-10x14x50 · Plain text: https://xemstudio.com/objects/lewis-side-wedge-5-10x14x50/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); files Xem Studio Design License (free to use and sell from, not to redistribute as files: https://xemstudio.com/license/)
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

## Overall (mm)

| length | width | height |
|---|---|---|
| 10.0 | 14.0 | 50.0 |

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

## Notes

- Wedge 14 mm thick and 50 high: 5 mm wide where it leaves the stone, widening to 10 mm at its foot over the lower 30 mm (the dovetail's slope, 5 in 30), parallel above; Ø6 cross hole 8 mm from the top. Two of them, mirrored, flank the centre piece.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| wedge | 5 → 10 × 14 × 50 mm |
| taper | 5 mm over 30 mm |
| hole | Ø6 |

## Where the files are

- Henry T. Brown (1868, public domain): [Five Hundred and Seven Mechanical Movements — scan on archive.org](https://archive.org/details/fivehundredseven00browiala) — web — Publisher's page; dimensions are facts
- 507movements.com: [Brown's movement No. 493: figure, his text and an animation](https://507movements.com/mm_493.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/lewis-stone-lifter-mechanism/) — web — Publisher's page; dimensions are facts

## Free STEP/STL (1 parts, Xem Studio Design License, Xem Studio)

Index: https://xemstudio.com/files/hardware/lewis-side-wedge-5-10x14x50/index.json · license: https://xemstudio.com/files/hardware/lewis-side-wedge-5-10x14x50/LICENSE.md

- lewis-side-wedge-5-10x14x50: [STEP](https://xemstudio.com/files/hardware/lewis-side-wedge-5-10x14x50/lewis-side-wedge-5-10x14x50.step) · [STL](https://xemstudio.com/files/hardware/lewis-side-wedge-5-10x14x50/lewis-side-wedge-5-10x14x50.stl) — wedge, inner face at x = 5, z −30..20

## Questions

**What are the side pieces of a lewis?**

Wedge 14 mm thick and 50 high: 5 mm wide where it leaves the stone, widening to 10 mm at its foot over the lower 30 mm (the dovetail's slope, 5 in 30), parallel above; Ø6 cross hole 8 mm from the top. Two of them, mirrored, flank the centre piece.

## Fits with

- [Lewis (three-piece stone lifter in a dovetail hole)](https://xemstudio.com/objects/lewis-stone-lifter-mechanism/)