Glue in 12 6x2mm magnets
‘’secure to the A1 printer using VHB tapes (or similar mounting tape that is 1mm in thickness)''
Use any poop deflector of your choice, I've had nothing but success with the original design's one.
Don't forget to cut your filament box according to the dimensions provided in the picture.
The author remixed this model.
Made the filament box design fit the A1