# Sandbox.SandboxBaseExtensions

The extension-method home these helpers had when they lived in the base library. Compiled
games call through here; new code uses the [Sandbox.VertexBuffer](/api/Sandbox.VertexBuffer) members directly.

- Kind: class
- Namespace: `Sandbox`
- Assembly: `Sandbox.Engine`
- Modifiers: static, abstract, sealed, extension

## Methods

- [`Add`](/api/Sandbox.SandboxBaseExtensions/Add)
- [`AddCube`](/api/Sandbox.SandboxBaseExtensions/AddCube)
- [`AddQuad`](/api/Sandbox.SandboxBaseExtensions/AddQuad)
- [`AddTriangle`](/api/Sandbox.SandboxBaseExtensions/AddTriangle)