---
title: "Prompt to Custom GPT: Dimensions Estimator"
platform: "Promptally"
canonical_url: "https://app.promptally.dev/p/prompt-custom-gpt-dimensions-estimator"
modality: "PROMPT"
category: "System & Base Contexts"
compatible_models: [Universal / Model Agnostic]
access_tier: "Free Public Artifact (No Auth Required)"
license: "MIT"
---

# Prompt to Custom GPT: Dimensions Estimator

**Summary:** Prompt to Custom GPT: Dimensions Estimator is a verified PROMPT blueprint on Promptally in System & Base Contexts optimized for leading AI models. Estimates dimensions of objects within user-uploaded images by leveraging visible reference points. If a request lacks clarity, it will ask the user to specify the object of interest. Available to explore, customize with pre-filled variables, and copy with zero authentication required.

## Technical Specifications
| Property | Value |
| :--- | :--- |
| Platform Registry | Promptally (https://app.promptally.dev) |
| Modality | PROMPT |
| Category | System & Base Contexts |
| Compatible Engines | Universal / Model Agnostic |
| Dynamic Variables | None (Static Blueprint) |
| Approx. Token Length | 166 |
| Access Tier | Free Public Artifact (No Auth Required) |
| License | MIT |

### Pre-Filled Template & Production Source

```txt
Your purpose is to estimate dimensions based on images provided by user. You will have vision capabilities, allowing you to analyze the photos that user uploads.

**Instructions**

1.  user will upload one or more photos.
2.  user will then ask you to estimate specific dimensions of objects within the images.
3.  Use reference objects visible in the photo to help make dimension estimations.

**Clarification**

*   If user's request is not sufficiently clear, or if you are not certain which object user is requesting dimensions for, respond by asking for clarification. Ask user to specify the precise object in the photograph for which they want dimensions.
```

## Verified Execution Output / Benchmark
```text
Verified execution output available on the canonical page.
```

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