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One Seam Guinea Pig Hat

By: Caitlin Eaton, Editor of AllFreeKnitting

Don't know how to master knitting in the round with double pointed needles? Don't worry! This One Seam Guinea Pig Hat is an easy knit hat for beginners that can be made with straight knitting needles. With just one seam and not many ends to weave in, you can knit your little cavy his or her own hat in a matter of minutes with this guinea pig craft pattern. This tiny hat is perfect for knitted bears or dolls too.


Knitting Needle Size7 or 4.5 mm

Yarn Weight(4) Medium Weight/Worsted Weight and Aran (16-20 stitches to 4 inches)


  • U.S. size 7 knitting needles
  • Red Heart Super Saver Yarn in Cherry Red 
  • White scrap yarn, worsted weight

Co 32
R 1-3: *K1, P1; rep from * to end of row.
R 4: K
R 5: P
R 6: K
R 7: P
R 8: K
R 9: P
R 10: K2tog, *K; rep from * to end of row
R 11: P2tog, *P; rep from * to end of row
R 12: K2tog, *K; rep from * to end of row
R 13: P2tog 2x’s, *P; rep from * to end of row
R 14: K2tog 2x’s, *K; rep from * to end of row
R 15: P2tog 3x’s, *P; rep from * to end of row
R 16: K2tog 4x’s, *K; rep from * to end of row
R 17: P2tog 5x’s, *P; rep from * to end of row
R 18: K2tog 3x’s, *K; rep from * to end of row
R 19: P2tog 2x’s, *P; rep from * to end of row
R 20: K2tog 2x’s, *K; rep from * to end of row

Cut yarn and pull tightly through remaining stitches. Seam up the side of the hat and weave in ends. If desired, attach a small white pom pon to the top of the hat.


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So cute! My dear Coco will look so cute in her hat! I am thinking of making a matching sweater too. I think she gets chilly sometimes.

I think, as I am sure the idea is just for the fun and the art of the craft... I <3 (love) it

I wouldn't make this for a guinea pig, because one, I wouldn't have one and two, I don't believe in dressing animals up, but I would definitely make it for a doll or adapt for a child.

I love this!!!!! How did you get them to pose so well? It's a great color for both. I have 2 cats and don't think they would cooperate. : )

I have a dear friend who rescues lil piggies..She spends a great deal of time with them & personally i think its a cute idea but not really sure most piggies would choose to wear it about a doggy bandana ?lol

First of all I have to say that I adore your piggie. And I did knit a little hat for ours but he doesnt like to wear it. Maybe I have to make another one and let him pick the colors. Merry Xmas

It is so cute and festive. I want to adapt the pattern to make the for my pet ratties!!!

Looks just like my daughter's 1st g-pig wish I had the pattern then! RIP Chippy

Thanks for motivating me to continue to make a very large dog sweater, for a large dobie. This is soooo cute, I just broke up laughing, how cute is this? What a neat idea. A mini dog could have a hat like this too! Awesome idea!

I would LOVE to see your dobie in a sweater you made..Dobes have the biggest chests and are my hubbys favorite dogs hands down..

This is adorable! I've been looking for a pattern like this. Thanks!


I hope you enjoy this pattern! I forgot to mention, the good little guinea pigs modeling the hat are named Clive and Howard. :)


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