Zinterlock french cleats should have been used to hang this wall panel
They should have used Zinterlock…!

This wall panel in The Met’s collection has been installed using unsightly clips around its edge. Zinterlock french cleats would have achieved a hidden flush mount if the Zinterlock was recessed 13mm into the wall behind the panel; without the recess the panel would have been separated from the wall by just 13mm.