As the name implies, reflection reflects the motif horizontally, vertically, or diagonally along an imaginary mirror line. The solid lines in the examples below represent said imaginary mirror.
Symmetry group cm/II vertically reflects a pair of vertically glide-reflected tiles as shown below. Pattern 1-4M-3-3/cm/II vertically reflects a pair of vertically glide-reflected Blocks 1-4M-3-3 as shown below. Pattern 1-4M-3-3/cm/II is an 8-shape tessellation.
Who would have thought?? Quilter’s Home picked this very blog for its list of 55 Best Quilting Blogs. Here’s a link so you can see for yourself (you’ll need Adobe Reader): 55 Best Quilting Blogs I even get a neat … Continue reading
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When it comes to tessellations, the answer is, “Yes!” Let’s take the vertical stripe from the previous post. This pattern is a 5-shape tessellation. I can merge four of the shapes into one, as shown below. Exciting, huh? A stripe … Continue reading
The operations of symmetry are a big thing to me. The operations of symmetry lead to symmetry groups, the foundation for patterns spanning different times, and cultures. The symmetry groups have been codified by crystallographers, chemists, and mathematicians. They are … Continue reading
