Steps to Reproduce

	<slider mold="knob"
			minpos="0.0" maxpos="100.0"
			curpos="80" step="1" width="300px" angleArc="360"
			style="border: 1px solid black;" strokeWidth="95"/>

Actual Result

the calculated paddings around the knob increase with the stroke width, wasting significant space with larger values.
the paddings seem to be ~50% of the strokeWidth

Expected Result

constant small padding (if any)