# Block 40 × 40 × 40 (the gripped load)

> What load do the tongs hold?

- 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/load-block-40/ · JSON: https://xemstudio.com/api/geometry?object=load-block-40 · Plain text: https://xemstudio.com/objects/load-block-40/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 |
|---|---|---|
| 40.0 | 40.0 | 40.0 |

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

## Notes

- A 40 mm cube: the load the tongs are drawn gripping, its sides touching both feet.
- Xem Studio design following Brown's figure; true size, no printing allowance (apply your own to the mating features).

## Sizes

| dimension | value |
|---|---|
| cube | 40 mm |

## 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. 494: figure, his text and an animation](https://507movements.com/mm_494.html) — web — Publisher's page; dimensions are facts
- Xem Studio: [drawing](https://xemstudio.com/objects/lifting-tongs-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/load-block-40/index.json · license: https://xemstudio.com/files/hardware/load-block-40/LICENSE.md

- load-block-40: [STEP](https://xemstudio.com/files/hardware/load-block-40/load-block-40.step) · [STL](https://xemstudio.com/files/hardware/load-block-40/load-block-40.stl) — cube, base centred on the origin, z 0..40

## Questions

**What load do the tongs hold?**

A 40 mm cube: the load the tongs are drawn gripping, its sides touching both feet.

## Fits with

- [Lifting tongs: load-tightened scissor grip](https://xemstudio.com/objects/lifting-tongs-mechanism/)