# Replicad Examples URL: /runtime/reference/replicad A Replicad model is a TypeScript module whose default export returns a shape: ```typescript export const modelCode = ` import { makeBaseBox } from 'replicad'; export default () => makeBaseBox(30, 20, 10).fillet(2); `; ``` This setup renders such models with the `replicad` kernel: ## Related [#related] * [Quick Start](/runtime/getting-started/quick-start) -- Render your first model with Replicad * [Choose a Kernel](/runtime/guides/choosing-a-kernel) -- Compare Replicad with other kernels * [API: Kernels](/runtime/api/kernels) -- Replicad factory function and options