Quite a few years ago aridas worked up a really good idea for a TOS era phaser rifle. It was immediately recognizable yet also looked more than just rearranging familiar elements together. To me it looked like it could really have fit seamlessly into the show.
I wish I could find it again. I was sure I had a copy of it.
posted links to it back in March in this post
, but the links show up as "temporarily unavailable."