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Comment by Csiby Zsolt on September 1, 2015 at 10:37pm

Thank you !
The rough drilling took 10 minutes with a 12mm (0.47 inch) diameter end mill.
The finishing with a 3 mm (1/8 inch) diameter end mill took about 3 hours / 700mm/min ( 2 ft 4 inch/min) feed rate.

Comment by Site Dead on September 1, 2015 at 4:43pm

Perfect close enough! Drillusion...

how long to run? you rough it out with larger drill or maybe a rough surface pass then finish drill to final depth IDK..

Comment by martyn hogg on September 1, 2015 at 4:22pm

Looks great! A really good optical dilusion too! :)

Comment by Csiby Zsolt on September 1, 2015 at 12:29pm

It takes about three times as much with this drilling type surfacing, but I like the hexagonal honeycomb pattern.
The pattern makes nice shadows, you wouldn't see on a smooth surface

Comment by Nick Tyrer on September 1, 2015 at 11:23am

A very simple but striking effect! I would guess it could end up being alot slower than a standard sweeping pass, did you find that or was it about the same?