Eurovan Weekender Rear Shelf Riser Bracket

This is a bracket to raise the rear shelf of a Eurovan Weekender (1993) by 1.5 inches. I found that a few items of mine would not fit under the shelf and were just barely too tall to fit under the rear shelf and bench storage area. These brackets simply slide over the built-in vertical cabinet parts. 1) You must print 4 of these (at least) to hold up your rear shelf. 2)Slide them over the top of the cabinet so they dont get in the way of the clips that can hold your shelf to the cabinets. 3) Set your shelf ABOVE the rear hinge support that would normally hold your shelf in place.

Materials - probably anything would work, but I used nylon since my printer lets me. Weaker material? More infill.

My best guesses:
Nylon - 30% infill, 4-6 perimeters
PETG - 50% infill, 4-6 perimeters
PLA - 75%+ infill, 4-6 perimeters (Not recommended)
ABS - I have no idea, never used it before. When in doubt, go stout.

It was a long print, 16 hours for 4 with Nylon Taulman Alloy 910. I think the