Jason Cousineau Solutions Inc.

Some solutions are too useful — or too simple — not to share.

These tools, models, and ideas started as real-world fixes or experiments.

Here you’ll find writeups, software, recipes, methods, 3D models, and more.

If they help you, use them. If they inspire something new, even better.

+ Fridge Mullion Hinge Retrofit

Posted May 11, 2025 by Jason Cousineau

A 3D printable replacement for broken mullion hinge tabs on certain French Door refrigerators (e.g., Frigidaire Gallery FGHG2368TF6). Solves an otherwise expensive repair with a simple part.

 [ Download the model and read the full write-up]

+ Turn a regular Garage Door Opener into a Wi-Fi smart opener for under $40

Posted July 17, 2025 by Jason Cousineau

Parts list and instructions to upgrade nearly any garage door opener to a Smart opener.  Open or close your garage with your phone, see the status of the door when you're gone, use software automation to schedule a closing time, and much more. 

[Write-up, parts list, sample YAML code]

+ Intuitive 2D Rapid Layout Tool for Flooring or Tiling.

Posted February 22, 2026 by Jason Cousineau

A highly-intuitive, rapid, lightweight application that allows you to draw out surfaces in minutes and experiment with different alignments and arrangements of tiles, pieces of flooring, or anything else you can express as simple polygons. 

[Link to Tool, Video, and Instructions]

+ Cheap and effective fix for Keurig boilers

Posted Jan 19, 2026 by Jason Cousineau

 Fix your existing heater/boiler in a reliable way for the cost of six machine screws, washers, and nuts. 

[Boiler repair write-up here]

+ An AI prompt to change the way recipes are written.

Posted May 12, 2025 by Jason Cousineau

 Get your recipes written (or re-written) in a way that simplifies shopping, accelerates cooking, avoids confusion, and makes life easier if you read them off your phone. 

[Try the AI Recipe Rewriter Prompt]

+ No-caulk tiling method for showers and tub surrounds.

Posted November 25, 2025 by Jason Cousineau

 No caulking, no cracking, no mold, no leaking, and your shower still looks like new 10 years later...

[Write-up and Real-World Results]

+ Software-based speaker switch that outperforms hardware.

Posted May 18, 2025 by Jason Cousineau

 Use Linux to unlock multi-zone audio, speaker switching, and custom channel mapping on any old 5.1 receiver — for $0. 

[Details and python scripts]