Perfect Half-Square & Quarter-Square Triangles Ruler


Perfect half-square and quarter-square triangles every time


The all-in-one tool to create Half-Square and Quarter-Square Triangle blocks.

6-1/2” x 6-1/2” grid

Key Features:

  • Mark seams using slots to the left, then sew
  • Cut sewn squares in half using slot to the right
  • Square blocks to finished size using printed lines and cutting slots in the middle
  • Create blocks in six popular finished sizes from 1″ to 6″
  • Made in USA

California Residents:
⚠ WARNING: Cancer and Reproductive Harm –

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