This brought to mind an old set of video series, focused on building an interchangeable table and bandsaw fence system designed around common t-slot aluminum extrusion. You might take a quick look. I think we have most of the necessary metal lying around.
I’m certainly not opposed to buying an inexpensive tool rather than spending days building something. We fall into that trap often enough. If this design catches your attention though, I would happily assist with the metal fabricobbling.
I'm familiar with that type design, and if we were talking about a table saw fence or router fence that would be $500+ to buy, I'd be all about making it, but the Bandsaw one is cheap enough I feel like it's worth just buying.
The rip guide was a bit tall for our saw, so I cut it ~1.5-2" short from how it came.
The blade currently on the saw also has some pretty bad drift. I didn't align the fence to this blade since it's old and we have newer ones. I'll align it to the resaw blade next time I need to use it, but if someone needs the saw before then, the guide book is on it for reference on how to adjust for drift.