# The `Demo_shape_primitives_simple` Instrument

*McStas: Demonstration instrument of some shapes used for mcdisplay*

## Identification

- **Site:** Templates
- **Author:** Erik B Knudsen <erkn@fysik.dtu.dk>
- **Origin:** DTU Physics
- **Date:** Feb 2018

## Description

```text
This instrument will display a cylinder, a sphere, and a box,
when run with mcdisplay. Otherwise does nothing.
```

## Input parameters

Parameters in **boldface** are required; the others are optional.

| Name | Unit | Description | Default |
|------|------|-------------|---------|

## Links

- [Source code](Demo_shape_primitives.instr) for `Demo_shape_primitives.instr`.

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