Generating AI Video on a Local GPU with Wan2.1 and ComfyUI
Running Wan2.1 text-to-video on an RTX 4070 Ti, iterating from luxury resort vibes to realistic community footage, and why quantization is the JPEG of AI models.
I’m Cary, a software designer and entrepreneur based in Milwaukee. I’m the founder and CTO of SparkForge, where you can ignite your ideas to forge the future. I also maintain SAVAGED.US, a character management platform serving 30,000+ Savage Worlds RPG players.





Running Wan2.1 text-to-video on an RTX 4070 Ti, iterating from luxury resort vibes to realistic community footage, and why quantization is the JPEG of AI models.
Building is the easy part. Getting people to care is the real challenge.
A software engineer starts learning to hunt from scratch and realizes the process looks exactly like the one that taught him to code fifteen years ago.
What happens when you inherit a Savage Worlds character management platform serving 30,000 users and everything that could go wrong does go wrong. A tale of SQL timeouts, escape character corruption, and why defensive programming isn't just a suggestion when users' weekly gaming sessions depend on you.



