Metric Bolt Size Guide
thingiverse
Tolerances are tight for inserting bolts. You can thread an appropriate sized bolt into each hole and should have no issues. If you want the original Tinkercad file leave a comment and you can alter the design. I use this to size miscellaneous bolts in my toolbox
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With this file you will be able to print Metric Bolt Size Guide 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 Metric Bolt Size Guide.