Yeah, it's annoying to me that the majority of scorecard holders seem to hinge on the short edge instead of the long edge. My club's scorecard, and most of the local ones I've played to be honest, their cards all hinge on the longer side. So I have to fold the scorecard in half to put it in and then flip it over after 9 holes. I would love to find a decent holder that hinges on the long side, and also isn't massive.
Edit: The one posted above by
@yandabrown actually seems to meet my requirements, I may send a tenner their way for one of those.