The Clam Seashell Crochet pattern is a free c2c graph by Nana’s Crafty Home!

The Clam Seashell Crochet Pattern square is the twelfth square in the Sea Life C2C Blanket series. You can also find the previous eleven – the Fish C2C Square, Whale C2C Square, Crab C2C Square, Seahorse C2C Square, Octopus C2C Square, Starfish C2C Square, Stingray C2C Square, Sea Turtle C2C Square, Mermaid C2C Square, Jellyfish C2C Square and Conch Shell C2C Square also as free patterns on the blog.

This is the final square in my Sea Life C2C Throw series – I will be workin on sewing together and the border so you can see the finished blanket very soon!

If you have never worked the corner to corner crochet color work method before I have all the tutorials you need to get started.

Basic C2C tutorial

Mini (hdc) c2c tutorial

How to Change Colors in C2C

How to Carry Colors in C2C

How to Add a Border in C2C

How to Read Graphs in C2C

## Clam Seashell Crochet Pattern C2C Square Details

This clam sea shell crochet square another great addition to your Sea Life C2C Throw series. The second sea shell square – and I just love how it turned out! A pretty pink pearl sitting in an open clam shell is the perfect last square for my blanket.

I used the mini-hdc c2c crochet technique for this square and I ended up with a 9″ x 9″ square. You could certainly choose to use the standard dc technique which would give you a larger square. However, at 9″x 9″ this would be the perfect size for a whimsical summer themed dish cloth, too!

I used Yarnspirations’ Caron Simply Soft yarn for my squares – I love how soft this yarn is which is perfect for blankets. However, you could certainly substitute your favorite medium worsted #4 weight yarn to get a similar result.

*Disclosure: I only recommend products I would use myself. This post may contain affiliate links that if you make a purchase at no additional cost to you, I may earn a small commission. *

**This Clam Sea Shell C2C square graph is also available as an ad-free, printable PDF! You can purchase the Clam Sea Shell crochet C2C Square as an individual pattern, or if you love PDFs, you might want to check out my **Lifetime Membership**. It’s an awesome deal! Never pay for one of my PDFs again!! (Or, scroll down for the free version!).**

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You may also like the following free crochet patterns at Nana’s Crafty Home:

- Conch Sea Shell C2C Square free crochet pattern
- Jellyfish C2C Square free crochet pattern
- Mermaid C2C Square free crochet pattern

**Pearl Clam Seashell C2C Square** free crochet pattern

Pattern written in US crochet terminology

**Supplies:**

- Caron Simply Soft Weight 4/Medium (100% acrylic, 6 oz/315 yds)
- Soft Blue 1 oz / 53 yds (Color B)
- Soft Pink 0.06 oz / 4 yds (Color P)
- Off White .60 oz / 32 yds (Color C)
- Sunshine .65 oz / 35 yds (Color Y)

Size H (5.0 mm) crochet hook

Scissors

Tapestry needle

**Approximate finished size: **9” x 9”

**Gauge: **5 blocks = 2.25”

**Abbreviations:**

B = blue

P = pink

C = cream

Y = yellow

hdc = half double crochet

WS = wrong side

RS = right side

**Pattern Notes:**

Pattern is worked in Mini Half Double Crochet (hdc) Corner to Corner (C2C) Crochet technique. Written row by row instructions follow with color pixel graph at bottom of post.

**Recommended Tutorials:**

Basic C2C for Beginners

How to Change Colors in C2C

Tips & Tricks for Carrying Yarn in C2C

Mini (hdc) C2C crochet technique

How to add a border to C2C projects

**Written row by row pattern instructions:**

**B: Blue / P: Pink / Y: Yellow / C: Cream**

← Row 1 [RS]: (B) x 1 (1 square)

→ Row 2 [WS]: (B) x 2 (2 squares)

← Row 3 [RS]: (B) x 3 (3 squares)

→ Row 4 [WS]: (B) x 4 (4 squares)

← Row 5 [RS]: (B) x 5 (5 squares)

→ Row 6 [WS]: (B) x 6 (6 squares)

← Row 7 [RS]: (B) x 2, (Y) x 4, (B) x 1 (7 squares)

→ Row 8 [WS]: (B) x 1, (Y) x 1, (C) x 1, (Y) x 3, (B) x 2 (8 squares)

← Row 9 [RS]: (B) x 2, (Y) x 1, (C) x 1, (Y) x 1, (C) x 1, (Y) x 2, (B) x 1 (9 squares)

→ Row 10 [WS]: (B) x 1, (Y) x 2, (C) x 2, (Y) x 1, (C) x 1, (B) x 3 (10 squares)

← Row 11 [RS]: (B) x 3, (Y) x 2, (C) x 2, (Y) x 1, (C) x 1, (Y) x 1, (B) x 1 (11 squares)

→ Row 12 [WS]: (B) x 1, (Y) x 1, (C) x 2, (Y) x 1, (C) x 1, (Y) x 1, (C) x 1, (B) x 4 (12 squares)

← Row 13 [RS]: (B) x 4, (Y) x 2, (C) x 1, (Y) x 1, (C) x 3, (Y) x 1, (B) x 1 (13 squares)

→ Row 14 [WS]: (B) x 1, (Y) x 2, (C) x 1, (P) x 2, (Y) x 1, (C) x 2, (B) x 5 (14 squares)

← Row 15 [RS]: (B) x 5, (Y) x 3, (P) x 3, (Y) x 3, (B) x 1 (15 squares)

→ Row 16 [WS]: (B) x 1, (Y) x 1, (C) x 2, (Y) x 1, (P) x 2, (C) x 1, (Y) x 1, (C) x 1, (B) x 6 (16 squares)

← Row 17 [RS]: (B) x 2, (Y) x 6, (C) x 1, (P) x 3, (C) x 3, (B) x 2 (17 squares)

→ Row 18 [WS]: (B) x 2, (Y) x 1, (C) x 3, (P) x 2, (Y) x 1, (C) x 1, (Y) x 1, (C) x 4, (Y) x 1, (B) x 2 (18 squares)

← Row 19 [RS]: (B) x 3, (C) x 4, (Y) x 3, (C) x 6, (B) x 3 (19 squares)

→ Row 20 [WS]: (B) x 3, (Y) x 5, (C) x 2, (Y) x 1, (C) x 1, (Y) x 5, (B) x 3 (20 squares)

**Corner (begin decreasing) **

← Row 21 [RS]: (B) x 3, (Y) x 4, (C) x 1, (Y) x 2, (C) x 1, (Y) x 5, (B) x 3 (19 squares)

→ Row 22 [WS]: (B) x 2, (Y) x 1, (C) x 4, (Y) x 2, (C) x 1, (Y) x 1, (C) x 4, (Y) x 1, (B) x 2 (18 squares)

← Row 23 [RS]: (B) x 2, (Y) x 1, (C) x 3, (Y) x 1, (C) x 2, (Y) x 1, (C) x 4, (Y) x 1, (B) x 2 (17 squares)

→ Row 24 [WS]: (B) x 2, (Y) x 6, (C) x 2, (Y) x 1, (C) x 3, (Y) x 1, (B) x 1 (16 squares)

← Row 25 [RS]: (B) x 1, (Y) x 1, (C) x 2, (Y) x 1, (C) x 2, (Y) x 1, (C) x 1, (B) x 6 (15 squares)

→ Row 26 [WS]: (B) x 5, (Y) x 1, (C) x 1, (Y) x 1, (C) x 1, (Y) x 1, (C) x 2, (Y) x 1, (B) x 1 (14 squares)

← Row 27 [RS]: (B) x 1, (Y) x 1, (C) x 1, (Y) x 1, (C) x 2, (Y) x 1, (C) x 1, (B) x 5 (13 squares)

→ Row 28 [WS]: (B) x 4, (Y) x 1, (C) x 1, (Y) x 1, (C) x 2, (Y) x 2, (B) x 1 (12 squares)

← Row 29 [RS]: (B) x 1, (Y) x 1, (C) x 3, (Y) x 1, (C) x 1, (B) x 4 (11 squares)

→ Row 30 [WS]: (B) x 3, (Y) x 1, (C) x 1, (Y) x 1, (C) x 2, (Y) x 1, (B) x 1 (10 squares)

← Row 31 [RS]: (B) x 1, (Y) x 1, (C) x 2, (Y) x 1, (C) x 1, (B) x 3 (9 squares)

→ Row 32 [WS]: (B) x 2, (Y) x 1, (C) x 1, (Y) x 3, (B) x 1 (8 squares)

← Row 33 [RS]: (B) x 1, (Y) x 4, (B) x 2 (7 squares)

→ Row 34 [WS]: (B) x 6 (6 squares)

← Row 35 [RS]: (B) x 5 (5 squares)

→ Row 36 [WS]: (B) x 4 (4 squares)

← Row 37 [RS]: (B) x 3 (3 squares)

→ Row 38 [WS]: (B) x 2 (2 squares)

← Row 39 [RS]: (B) x 1 (1 square)

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