if self._printSection in self._feedRateModifier:
line = re.sub('F([0-9]*)', lambda m: 'F' + str(int(int(m.group(1)) * self._feedRateModifier[self._printSection])), line)
if ('G0' in line or 'G1' in line) and 'Z' in line:
if self._printSection in self._feedRateModifier:
line = re.sub('F([0-9]*)', lambda m: 'F' + str(int(int(m.group(1)) * self._feedRateModifier[self._printSection])), line)
if ('G0' in line or 'G1' in line) and 'Z' in line: