# Prompting Codex to troubleshoot a 3D printer

DevFeed: [Prompting Codex to troubleshoot a 3D printer](<https://devfeed.tech/articles/prompt-walkthrough-fixing-my-3d-printer-with-codex-and-chutes-ladders-33493.md>)

Original publisher: [Read original article](<https://timkellogg.me/blog/2026/08/01/printer-example>)

Published: 2026-08-01T00:00:00Z

Content type: tutorial

Language: en

Sources: [Tim Kellogg](<https://devfeed.tech/sources/tim-kellogg.md>)

Topics: [codex](<https://devfeed.tech/topics/codex.md>), [3D](<https://devfeed.tech/topics/3d.md>), [ChatGPT](<https://devfeed.tech/topics/chatgpt.md>), [App](<https://devfeed.tech/topics/app.md>)

Tags: [3d-printer](<https://devfeed.tech/tags/3d-printer.md>), [chatgpt](<https://devfeed.tech/tags/chatgpt.md>), [codex](<https://devfeed.tech/tags/codex.md>), [prompt](<https://devfeed.tech/tags/prompt.md>)

## AI overview

The article walks through using Codex to troubleshoot a clogged 3D-printer hotend. It presents an annotated prompt that provides background, cost constraints, requested buying guidance, visual explanations, and permission boundaries for tool use.

## Source excerpt

We need more examples of prompting agents into completing big tasks. I used to think it was easy, you just type like you're asking a super smart friend. But people keep looking confused, as if it's hard. So, let's just work through some examples here.