Big Mess Of Wires (BMOW) produces a most-excellent array of Floppy solutions for modern interconnect for various vintage Apple hardware.
On early Apple IIs, amongs others, floppy drives used a flat cable connection but newer machines such as the IIgs, early classic Macs and the Apple IIgs, used a DB-19 connector.
For this reason, BMOW created an adaptor.
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Unlike Floppy Emu however, this connector board does not have an enclosure, leaving you with electronics open in the air.
This model is an enclosure for the Floppy Adaptor. Hope that your 3D printer has high precision because this enclosure is modeled with micron precision, ensuring a fit of the board that is so snug, you dont need screws to assemble it with no wobbly components.
Internal board support pegs are there to ensure the board does not suffer torsion when connecting the drive connectors.
The lid holds the board in place when pinched top-down making sure you have a tight grip when connecting and disconnecting it.