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A 9 inch seam guide by Creative Grids on a white background

Creative Grids 9" Seam Guide Tool

#CGRSMN9

(2 reviews)

This .5" x 9" Creative Grids seam marking tool makes marking and sewing half square triangles, quick, easy and accurate. Mark through the slotted center with any mechanical pencil and sew 1/4" on each side of the tool. Or mark the sewing line by drawing on both outside edges of the tool. It's the perfect tool when making half-square triangle blocks. This is the perfect tool when making half-square triangles!

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5 / 5

2 reviews

5 star
2 (100%)
4 star
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3 star
0 (0%)
2 star
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1 star
0 (0%)

Sara

Verified Purchase

Happy

Works well

Posted: (01/19/2026)

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Kristen

Verified Purchase

Excels

I like it

Posted: (12/10/2025)

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