you need to get piece of sandpaper and also screw that is long 24 mm (measured from under the head to the end). The diameter of the screw is 5 mm. The sandpaper is long 28 cm and its 4 cm wide. THE STICK THAT IS IN THE MODEL IS NOT FUNCTIONAL SCREW. You also need to stop the print to put in the nut inside for securing the crew that holds the sandpaper in place. I hope its all clear and good luck with sanding :)
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