Stained Glass or Sun Catcher Prototype - Circles

This prototype design is for all you first layer pros. This stained glass or sun catcher relies on a single thicker (.3mm) first layer. The remaining few layers provide the outline of the frame and the circles. All the color is done post processing. I'm experimenting with different markers. So far I'm not liking Sharpies. Prismacolor works better. I think you need alcohol based markers for best effect.

My post processing marking is sloppy. I wanted single runs for the circle outlines, but my