Awesome stuff! Coincidentally I was also working on reproducing the q8XX/PM8500/9500 etc (does this style case have a shorthand name??) hard drive sled as well (apple part number 815-0446)
View attachment 815-0446.stl
My intention was to create another sled so that I could mount an internal Jaz drive into the middle bay on my 9500, but I ran into a small snag. The sled itself was great, and for a hard drive it would have been fine, but for the Jaz drive, it was mounted too low. Aside from the fact it would be annoying aesthetically, the RF shielding built into the front of the case was actually blocking (and pushing ever so slightly) into the bottom half of the eject button. Not a problem, just design something for the drive to sit on:
View attachment 815-0446-platform.stl
It snaps into place onto the the drive sled and has the exact same mounting holes. Screw the drive to the platform before attaching to the drive sled. Also, it probably fits the original part, but in my enthusiasm I mounted and installed it using my 3d printed part before I thought to try it. My model of the drive sled is very close to the original, but the original has certain design considerations for injection molding that I did not replicate (some of the struts that appear to be at 90 degree angles are actually slightly off 90 in some places, I presume to make ejecting from the mold easier) . I don't imagine that will have much impact, but there you go just in case.
I should also note that the boost platform thing was designed entirely by me, so the likelihood of it actually positioning the drive to fit any existing apple made bezel is probably not so good. It should put the drive just about dead center for the bezel space..so it might, but I don't have any measurements (let alone an actual bezel) to test against.
Feeling otherwise pretty good about how everything was coming together, I designed a bezel for the Jaz drive as well:
View attachment 815 jaz bezel.stl
I should also note, again, that I have not actually printed this part out, so i'm not 100% sure that it will A: Fit and B: actually work as intended. I am pretty sure the Jaz cartridges will clear the bezel in such a way that you can grab them when they are ejected, and I am feeling pretty alright about the actual bezel lining up with the drive correctly. However, Unless you don't mind wasting your time/effort/plastic, I would suggest not printing this out until I work out all the potential bugs. But who knows! Maybe I got it right on the first shot. The reason I haven't printed is largely due to my printer having some kind of clog in the nozzle, resulting in under-extrusion which makes for terrible 3d printing. I'm going to have to take the extruder apart and the nozzle off to fix it and i'm just putting it off because i don't want to burn myself.
How I think (read: hope) it should line up:
It was also about this point in time when I decided that it would be a smart move to actually plug in the Jaz drive to see if it, you know, worked. I bought the drive a couple months or so ago at a second hand store for 2 or 3 bucks, and it looked like it was in decent shape... but looking good is about all it does
. Not a huge loss honestly, it was just a good excuse to build all this stuff, but it would have been nice to have. Plus it's a good base to build a Zip based bezel which is I'm sure is of far more utility to most everyone else (I have an ATAPI zip drive, which is fine for using to measure stuff, but I have no appropriate Macs from which to drive it)