custom size ice scraper
thingiverse
If you don't want to buy an ice scraper but have a 3d printer try this one out. I also used it to peel off nasty stuff stuck on the car windshield once.
Download Model from thingiverse
With this file you will be able to print custom size ice scraper with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on custom size ice scraper.