Trimmer vertical like this?

Are you looking for a top view version of this? Top view is suitable for perf board use, where the size of the part is identical to the physical size of the part rather than an angle picture of the part that is the standard in breadboard view. Top view parts tend to look like this:

which is from this forum post:

but there isn’t a top view trim pot version yet that I can find. It is easy enough to make one if that is what you need though.

Peter