28mm speaker drilling template
thingiverse
Small drilling template to drill vent holes for a 28mm speaker (used in small portable projects) Template accepts a 3mm drill bit.
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With this file you will be able to print 28mm speaker drilling template 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 28mm speaker drilling template.