Hey washabaugn! Welcome to arpeggio madness!! lol
It seems you know the shapes, but can't (or want to) connect them to make longer lines. A lot of pro's have told me the same thing: restrict your playing. Force yourself to play on half notes first, but play EVERY half note. That way you're forced to "see" the shape in a certain amount of time. Also, it's important to start playing the closest tone available. For example, say you're playing an F from Dm7 and the next chord is G7. You would repeat playing an F on the next whole note, or play the root (G). A B or a D are not choices within this exercise because we're trying to connect both patterns.
If you can play non-stop and without non-arpeggio notes for a while in half notes, then do the same on quarter notes. Then eighths. You get the idea.
I myself am practicing this way, and it really shows my many weak spots when it comes to arpeggios, so I guess is a nice exercise.