# Heart cam, base radius 15, lift 20 mm

> What is a heart cam?

- Category: Hardware › Mechanism parts
- Kind: Modern device
- Basis: Xem Studio drawing
- Page: https://xemstudio.com/objects/heart-cam-r15-h20/ · JSON: https://xemstudio.com/api/geometry?object=heart-cam-r15-h20 · Plain text: https://xemstudio.com/objects/heart-cam-r15-h20/sheet.txt
- License: dimension sheet CC BY 4.0 (Xem Studio); linked files under their publishers' licenses
- Use in every chat: add https://xemstudio.com/mcp as a connector (https://xemstudio.com/use-with-ai/)

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

## Notes

- A heart-shaped plate cam whose radius grows linearly with angle (15 → 35 mm over 180°, back over the next 180°): the follower moves at constant speed both ways.

## Sizes

| dimension | value |
|---|---|
| base radius | 15 mm |
| lift | 20 mm |
| bore | Ø5 |

## Where the files are

- Xem Studio: [drawing](https://xemstudio.com/objects/heart-cam-mechanism/) — web — Publisher's page; dimensions are facts

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

Index: https://xemstudio.com/files/hardware/heart-cam-r15-h20/index.json

- heart-cam-r15-h20: [STEP](https://xemstudio.com/files/hardware/heart-cam-r15-h20/heart-cam-r15-h20.step) · [STL](https://xemstudio.com/files/hardware/heart-cam-r15-h20/heart-cam-r15-h20.stl) — Heart cam, 5 mm thick

## Questions

**What is a heart cam?**

A heart-shaped plate cam whose radius grows linearly with angle (15 → 35 mm over 180°, back over the next 180°): the follower moves at constant speed both ways.

## Fits with

- [Heart cam with roller follower (uniform motion)](https://xemstudio.com/objects/heart-cam-mechanism/)