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Set the circle cutter for the size of circle you need. Place the circle cutter
in the center of your glass square
you have previously cut. Run a test circle (do not press hard on the cutter
head when it is not lubricated) to make sure you have enough glass under the
cutter tip all the way
around the square. We like to use kerosene as our lubricant (it is cheap to use
and does not gum
up our expensive cutters) Use a clean flux brush (I will fold the metal end of
the brush over a bit so
that I can reuse this brush as my kerosene brush and not mix
it up with any other chemicals) and dip it into some kerosene, run the wet
brush under the tip of the cutter head all the way around the circle not
pressing to hard as you are just
lubricating the circle shape. Once the circle is lubricated you may now press
down on the
center to hold the cutter axel in place and holding the cutter head tight press
down and turn the cutter
head all the way around the circle back to the spot where you started.
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Take the cutter off the glass and score one line from the circle edge to the
edge of the glass.
Turn the glass over and start to press GENTLY around the circle score line you
made on the other side. This may take a few times going around before it
finally breaks so do not
press harder or rush yourself because you will most likely break the whole
circle.
Once your score has broken all the way around turn the glass gently over.
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With your hands or running pliers gently break the score line you made from the
edge of the glass to the circle score.
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Your perfect circle should now drop out of the excess glass and not need to be
ground. If your circle did not come out keep running and breaking score lines
around the circle
until it drops away from the excess glass.
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