Moisture-Proof Pinwheel Coaster Pattern


Moisture-Proof Pinwheel Coaster Pattern

Add a pop of color to your home decor without having to worry about stains with these moisture-proof, easy coaster sewing pattern!

Moisture-Proof Pinwheel Coaster Pattern
Moisture-Proof Pinwheel Coaster Pattern

Everyone loves the customizable and cozy look of DIY fabric coasters, but no one wants to have to worry about staining the rug on which they put their spill-prone mugs. That's where this Moisture-Proof Pinwheel Coaster Pattern comes in! Since this easy coaster sewing pattern includes a layer of Shield Liner Interfacing, the fabric is protected against moisture and allergens. These 3-inch squares will help you use up your fabric scrap stores and add a splash of color to your home decor in a bewitching pinwheel design. Who wouldn't want a set of these cute fabric coasters brightening up their coffee table?

Project TypeMake a Project

Time to CompleteIn an evening

Sewn byMachine


Materials List

  • Toasty Cotton quilt batting
  • Shield protective interfacing
  • Coordinating fabric scraps
  • Matching thread
  • Basic sewing supplies


Note: This project uses 1/4'' seam allowances.

  1. For center square: Start with two 3'' squares of coordinating fabrics. Cut diagonally in both directions creating four triangles of each fabric. With right sides facing in pin together one triangle from each of the two different fabrics and sew along long edge using a 1/4'' seam allowance. Repeat with rest of triangles creating 4 split squares of fabric.  Sew these squares together creating a pinwheel pattern. Repeat process to create center squares for each coaster.

  2. Cut the other coordinating fabric into 2'' strips and attach to the center square using the log cabin block technique.

  3. Cut backing fabric, Toasty Cotton™ batting and Shield interfacing to the same size as the finished block. Lay the backing on the table right side down. Then the two pieces of batting. Next the shield with the shiny side facing up and lastly the block right side facing up. Stitch around the outer edge.

  4. Pin all layers together and stitch in the ditch of the center square. Bind with solid fabric. Repeat for other coasters.

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