Great way to customize your knife, or replace broken parts.
There's a recess in the back of the tray for a snip of filament to serve as a dowel. The tray stays in the handle without it, but it does feel a little loose.
Printed in PLA, 4 Perimeters, 10%infill (though there's not much with 4 perim.)
The author hasn't provided the model origin yet.