Recommendations for 3D Printer? (Speaker Pods)

Your dash frame probably looks like this?

A guess...but I think they removed/modified it in later models because the "7-speaker" stereo became available that has the oem Infinity box enclosure in the dash.

View attachment 288511

Aha, good guess. I will go open up my dash soon. But yes that looks about right.
 
I'll bet that the would fit if you cut the dash bracket here:
1636133266257.webp