<param name="unit" gui-text="Measurement Units" gui-description="Unit of measurement for all subsequent values entered in this dialog" type="optiongroup" appearance="combo">
<param name="thickness" type="float" min="0.1" max="1000.0" precision="3" gui-text="Material Thickness" gui-description="Thickness of the material">5.0</param>
<param name="kerf" type="float" min="0.0" max="1000.0" precision="3" gui-text="Laser Cutter Kerf" gui-description="Laser Cutter Kerf (tolerance). Varies based on cutter and material thickness">0.01</param>
<param name="linethickness" gui-text="Line Thickness" gui-description="Thickness of the cutting line on the display" type="optiongroup" appearance="combo">