It is impossible to alter the size of a checkbox from the default. Altering the control size does not increase of shrink the size of the checkbox itself.
I can confirm with Version: 4.5.0.0.alpha0+ Build ID: 7f476fea47f06a7f8cc961dd4f6595a524346fa5 TinderBox: Linux-rpm_deb-x86_64@46-TDF, Branch:master, Time: 2014-12-27_23:36:28 inherited from OOo -> https://issues.apache.org/ooo/show_bug.cgi?id=26593
Adding self to CC if not already on
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