I've had these component cabinets for years and never really used them to their full purpose. Like the Cutlery drawers, I couldn't find insert trays for them anywhere.

The advantage of printing off your own, is you can created the sections within each tray, exactly what your needs are and with no dispute.

Once you have the basic drawer measurements, you can design where the divided sections need to be.

Here I have two different drawer depths. I've made some drawers multi-compartment to fill a complete tray, and some sections were made individually and put into the drawer like a jigsaw puzzle.