תיקון קוראים שקף וקיפולים למזוזה 20 אדמור הזקן
One of the WhatsApp's Safrut group I am on gave a file containing a transperency and fold tikkun for a Ktav Chabad mezuzah size 20.
The group mentioned that everyone is allowed to give the tikkun to others
I had to upload it on a Google drive in order to share it. Here is a link: