"cm-ruler" is a 10 cm long ruler with 1 mm ruling and a hole each cm,
for viewing in a CAD tool. Outside nominal dimensions are 100 x 10 x 2
mm. Slow print speeds work best. <br><br>If you want to print for best accuracy, you would scale up the model by <i>about</i> 1.002 (in PLA) or 1.005 (in ABS) to balance the plastic shrinkage. The exact scaling factor depends on your filament, printer settings etc. <br><br>This is a remix of <a href="http://www.thingiverse.com/thing:3077" rel="nofollow" target="_blank">http://www.thingiverse.com/thing:3077</a> in which I reorganized (and I think, corrected) the OpenSCAD source code.
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