---
title: "Preview"
method: GET
path: "/v1/bend-programs/{program_id}/preview.glb"
tags: ["manufacturing-v1"]
---

# Preview

`GET /v1/bend-programs/{program_id}/preview.glb`

Download the saved binary preview. The stable API URL refreshes its signed
download after owner authorization; the storage bucket is private.

## Path parameters

- `program_id` string, required

## Other responses

- `303` — Short-lived authenticated redirect to a private GLB with geometry and bend animation.
- `401` — Missing or invalid credentials.
- `403` — The credentials do not permit this operation.
- `404` — The resource does not exist or is not visible to the caller.
- `409` — The resource is not ready, or Idempotency-Key was reused with a different request.
- `422` — Validation failed; see `error.param` and `error.details`.
- `429` — Rate limit exceeded; retry after the `Retry-After` header.
- `500` — Unexpected failure; safe to retry with the same Idempotency-Key.
- `502` — An upstream service or saved artifact returned an invalid response.

## Changes

- **2026-09-28** `3568b01e288d` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/rmfg/apis/fastapi/changes/v1/bend-programs/:program_id/preview.glb/get.md)

---

[API](https://skmtc.dev/rmfg/apis/fastapi.md) · [All operations](https://skmtc.dev/rmfg/apis/fastapi/llms.txt) · [OpenAPI document](https://skmtc.dev/rmfg/apis/fastapi/revisions/737527fc081e?raw)