About image like polylineVolume

Hello, everyone.

I have a png image with line, and i need create this line like 3d object(polygon or polylineVolume).

Now i render this images in polygon:

const width=0.0007;
const latitude= 55.7275290493723;
const longitude=37.6109406026611;
polygon : {
hierarchy : Cesium.Cartesian3.fromDegreesArray([
longitude-width, latitude+width/2,
longitude+width, latitude+width/2,
longitude+width, latitude-width/2,
longitude-width, latitude-width/2
material : "81983.png’’
This looks like that:

But i need this:

This is the original image:

Is it possible?
Thank you!