This is the fourth volume of David Hinkin’s adult coloring book series, Geometric Patterns. It includes 24 custom illustrations. It is available on Amazon for $5.99 and is eligible for free 2-day shipping with a Prime Membership.
You can also purchase a PDF copy of Geometric Patterns Volume 4. Once you download a PDF copy of the book you can print your favorite designs as many times as you wish.
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Geometric Patterns Volume 4
Adult Coloring Book