As a general rule, an intermediate block is rarely more difficult to make -- it just contains more pieces and therefore more seams. This is the reason that it is important that you can sew an accurate quarter inch seam allowance. Once you have mastered a precise seam allowance, you will have no difficulty in sewing the majority of quilt blocks.
Free Quilt Block Pattern
The Triple Star quilt block looks more like a pinwheel block to me. However, I imagine that the name comes from the fact that everything but the background fabric seems to form a type of "star".
Although this quilt block might look challenging, it really is not. The method of construction is what makes it look difficult, at first glance. Groups of quilt patches are created and then those groups are sewn together into diagonal rows, rather than the usual straight across rows. This is a fun block to make, so don't be shy to give it a try.
The sample quilt layouts show both quilts with blocks laid out on point. However, by simply changing up the background colours you get two totally different looks.