I edited the STL for the Tape Holder by dellrio to remove some material (~6g), properly center the pegboard pegs (2" on center spacing between each), and shorten the deck by 0.5" because my massive tape measure is not that deep.

FYI pegs are a hair smaller than 0.25".

Haven't printed yet but will update this when I do to let you know if it was all a mistake.

I also added the Gcode I will use...Cura standard 0.2mm profile for Ender 3 but with:

20% cubic infill, tree supports for the pegs, and localized 100% infill above, below, slightly to the sides, and inside the pegs for strength.

EDIT: Print turned out beautiful... Seems nice and strong. Used a slightly different gcode than what is posted but will leave it up in case anyone else wants it