PANEL-L-S Panel with Large and Small Holes Closed with Print-in-Place punch out plug. Size this Panel by The X axis, Y axis. Orientation Does matter.
Locking feature must remain Top and bottom or front to back. The Large plug is reusable, replaceable and has a counterbore hole for a 6mm dia. Magnet.

Instructions and other helpful information can be found at https://www.d-lockdesign.com

Printing Instructions: Note: All printers and materials are different, experiment with materials and settings for your specific situation. Modify the default printer settings to:
3 Wall Loops 15% sparce infill density
Print supports not required!