JR compatible module enclosure for RC radio Walkera WK-1001

Do you own an old RC radio Walkera WK-1001 with a 35, 40 or 72 Mhz module and want to use it in the 2,4GHz band?
You can, by simply replacing the radio module on the back with a JR compatible one, but.... They are too big and don't fit!

This is a workaround to substitute the enclosures of the JR and compatible modules, that are too big, with one that can accomodate the electronics and fits into the WALKERA WK-1001 module bay, without any sanding that, after, makes impossible to resell the m