Spool Arm Gridfinity

When I upgraded from the spool holder that came with my Ender to the foldable side mounted one, i was wondering if i could repurpose it as a tool holder. While trying out what tools to fit on it, i saw that it's size was close to a 1x3 Gridfinity bin.

It just had to be made narrower to fit and thicker so the bin could clear the sides.

My print was no top/bottom layers and 10% hex infill, with a 0.6 nozzle, fit was good enough after.

I went for a press-fit, but it didn't hold in place (your luck may vary), so i went with double sided tape.

Base plate made narrower and thicker to fit the spool arm