bit of a workaround, but you could put an ellipse on the top of a triangle.<br><br>i don&#39;t think gem has either geometries built in,&nbsp; but you can make a triangle with the [polygon] object,&nbsp; and then make an ellipse by making a circle, and then using the [scale] object to squash it down a bit.<br>
<br>this would work for sections of less than a quarter circle.&nbsp; for greater amounts, you would have to add more triangle/ellipse sections.<br><br><br>