As I was playing around with OpenSCAD, I decided to create a programmatic template for the modifications I used to do to the injection molded enclosure for DC2N5-LC a while back.
Here’s what the modifications look like (the volume to be taken away is shown in yellow):
Such template has no other value than helping me keep a record of what my modifications consisted in. I am afraid the end design is not something that can be 3D printed.