Tactix Vertical Storage shelf addon.

Clips below existing Tactix modular storage boxes such as:
Tactix 4 Boxes Storage Modular Tower
Tactix 9 Box Storage Modular Tower
Tactix 9 Box Storage Modular Tower with open front per photo, no longer made)

Excellent for storage of longer objects like cable ties.

Links:
https://www.bunnings.com.au/tactix-4-boxes-storage-modular-tower_p2584023
https://www.bunnings.com.au/tactix-9-box-storage-modular-tower_p2584025

Dimensions
365mm Wide
110 mmHigh
150mm Deep

This prints diagonally on a 350x350 build plate (45 degrees)
Should fit on a 350x320 if you go 40 degrees.

2x 5mm holes in the back for fixing to the wall