4 mm
thingiverse
A personalized rendition of http://www.thingiverse.com/thing:69655 was crafted using Customizer! (http://www.thingiverse.com/apps/customizer/run?thing_id=69655). Instructions for use include setting Tool Length to 10, Nut Size at 4, loading Font file 'write/Letters.dxf', opting for Dual Extrusion with Extruder1 and choosing ToolOptions 2 while keeping Kerf at 0.3mm. The message to be engraved measures 4mm in size.
Download Model from thingiverse
With this file you will be able to print 4 mm 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 4 mm.