Summary

make attachment of the hook to the foam body much stronger.
I used them in conjunction with
RC Plane Bungee Hook by LV-426 https://www.thingiverse.com/thing:2646350

Print Settings

Printer:

Crafbot plus

                                            Rafts:                      
No

Supports:

                                            Resolution:                      
0.2

Infill:

                Filament:                                     innofill PLA                                    white

Custom Section

Use it with the added square dowel as its easier to cut a square hole in the foam than a round for the upper part of the dowel, but you get a bigger surface to glue it to the foam with the round one.
Use a 3 mm nut in the bottom of the dowel to assemble with the hook.

bungee

hook

raphax