Intruction 

1.Place the layerfx.py and the pm_creates_bottle_cap.py plugin inside your Personal Gimp plugins folder:
C:\Users\YourName or Users\AppData\Roaming\GIMP\2.10\plugins


2. Place the shape-path-091.scm inside your Personal Gimp scripts folder:
C:\Users\YourName or Users\AppData\Roaming\GIMP\2.10\scripts



Re-start GIMP and you can find the plugin in the menu "Pocholo-scripts\Bottle cap". 