There’s another source for PHA 3D printer filament.
cocoa
Cocoa Press Unveils New High-Speed Chocolate 3D Printer with Klipper Firmware
Philadelphia-based Cocoa Press announced a new chocolate 3D printer, the Cocoa Press 2.0.
3D Printing Chocolate With Cocoa Press
A Philadelphia-based startup named “Cocoa Press” creates 3D printers for chocolate.