I took some plexiglass and cut it with a 60 tooth chop saw. The first pic is fitting it up and as I was drilling the top holes it shattered and dislocated my elbow. Very easy to Crack so you drill bit has to be semi new but not so sharp it catches. What you want to do is melt it. I fitted the third sheet lol. Dremel works good to enlarge the screw holes. So I have 6 2" screws going through the glass and into the 3/4 ply behind the console.
Some people template the console and recess a fish finder into it. What if you change finders? This way I can put my main vessel view mobile behind the glass. Smokes fishing licenses as well. Even put a few stickers on the glass.
Last picture is a tug towing a smaller tug by grace Island from my house.