<param name="diameter" type="float" precision="2" max="9999" gui-text="diameter" gui-description="Diameter of the knob (mm)">50.0</param>
<param name="serrations" type="int" max="9999" gui-text="serrations" gui-description="Number of serrations">3</param>
<param name="rounded" type="float" precision="2" max="9999" gui-text="rounded" gui-description="Amount of circumference used for non convex parts">0.2</param>
<param name="angle" type="float" precision="2" max="9999" gui-text="angle" gui-description="Angle between convex and concave parts">70.0</param>
<param name="bolthole" type="float" precision="2" max="9999" gui-text="bolthole" gui-description="Diameter of the bolt hole (mm)">6.0</param>
<param name="dhole" type="float" precision="2" max="9999" gui-text="dhole" gui-description="D-Flat in fraction of the diameter">1.0</param>
<param name="hexhead" type="float" precision="2" max="9999" gui-text="hexhead" gui-description="Width of the hex bolt head (mm)">10.0</param>
<param name="thickness" type="float" precision="2" max="9999" gui-text="thickness" gui-description="thickness of the material">3.0</param>
<param name="tabs" type="float" precision="2" max="9999" gui-text="tabs" gui-description="width of tabs holding the parts in place in mm (not supported everywhere)">0.0</param>
<param name="debug" type="bool" max="9999" gui-text="debug" gui-description="print surrounding boxes for some structures">false</param>
<param name="reference" type="float" precision="2" max="9999" gui-text="reference" gui-description="print reference rectangle with given length (zero to disable)">100</param>
<param name="burn" type="float" precision="2" max="9999" gui-text="burn" gui-description='burn correction in mm (bigger values for tighter fit). Use BurnTest in "Parts and Samples" to find the right value.'>0.1</param>