Chris Cantey

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Tech, security, and side quests

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Film Positive: A Mac App for Turning Film Negatives Into Photos

Film Positive is a free, open source Mac app that develops a camera scan of a film negative into the picture. It's out now, alongside a Film Tether update that ties the two apps together.

4 min read ยท film, photography, ai, making

  1. Building a Crew Badge for DEF CON in a Week With Four Agents

    An idea I sat on for a couple of years, then built in a week across four parallel AI agent arms sharing one repo.

  2. Film Tether: A Little Mac App for Scanning Film With a DSLR

    My old Canon 7D had been sitting on a shelf until I made it the camera in a film-scanning rig. The little Mac app that tethers it, which my AI assistant and I built together, is now open source.

  3. How I Develop and Scan Film at Home

    Developing your own film, scanning it with a DSLR, and converting the negatives, all at home. The gear that actually matters, with links, and how I landed on my setup.

  4. Setting Up Your Personal AI Assistant (PAI 5)

    A practical guide to setting up Claude Code with PAI 5 on a Linux VM.

  5. Conference Notes with an AI Assistant

    I tried something different at SCALE this year and brought my AI assistant along to capture, organize, and expand my notes throughout the day.

  6. Build Notes

    How I'm sharing project write-ups that sit somewhere between a README and a full codebase (that you can give an AI assistant!)

  7. A Knowledge Base for Your AI Assistant

    I moved my notes from Obsidian into a knowledge base my AI assistant can search and maintain. Here's what that looks like and how to try it.

  8. Upgrading PAI from v3 to v4

    An AI-driven upgrade script that migrates your PAI installation from v3 to v4 without losing your customizations.

  9. Build or Buy May Have Changed, For Now

    A Mac app I relied on shut down. So I built my own replacement. It made me look at how our relationship with software might be shifting.

  10. Your AI Assistant Can Talk

    Adding local voice notifications to PAI with Kokoro TTS. No cloud APIs, no GPU, no subscription. Your assistant speaks to you through your browser.

  11. AI-Assisted 3D Printing: What Works and What Doesn't

    I've been experimenting with using LLMs to help me build 3D printed objects. Here's what I've learned about where it shines and where it falls short.

  12. PAI Companion: A Visual Jumpstart for Your AI Assistant

    A simple add-on that gives your PAI installation a portal, file exchange, and visual output system. Work in progress, local VMs only.

  13. File Drops for Your AI Assistant VM

    Let's build a drag-and-drop file upload so your AI assistant can work with your files.

  14. Setting Up Your Personal AI Assistant

    A practical guide to setting up Claude Code with PAI on a Linux VM.

  15. The Many AIs, My Evolving Approach

    There isn't just one AI. There are dozens of different things all wearing the same name.

  16. Welcome to Here

    What this is about and why I'm adding another website to the internet.

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