canvas blind end cover

## canvas blind end cover
A replacement part for the original one, which is no longer available from the manufacturer.
The canvas blind end cover was build from scratch.
###The end cover is build to fit for this canvas blind:
__Brand:__ Heim & Haus
__Item description:__ Heimmarkise Comfort
__Item#:__ 7620
I added the Freecad designfile so you can adapt it to your needs and adapt the end cover to fit for other brands and manufacturers more easily.
###Credits:
The design was d