Gridfinity storage/organiser Trays for cheap Amazon deburring tool and spare blades.
Tool holder tray is 1x4x3 u and blade storage tray is 1x4x2 u. Tool holder tray stacks onto blade storage tray.
The spare blades snap nicely into place so won't fall out.
0.4mm Nozzle printed with 2 walls, 3 layers top and bottom and 10% infill to save on filament.