Sea

Submarine

Submarine charted as clean filet blocks that read clearly on the grid, a 18 by 15 motif made for nautical blankets, beach-house runners, and bathroom pieces. Open it in the editor to resize the grid, frame it with open mesh, or repeat it into a border, then export a PNG or print a numbered chart to crochet from.

Grid
18 × 15
Difficulty
Beginner
Mesh count
270
Category
Sea
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Perfect for

Skill level: beginner

If this is one of your earliest charts, you are in safe territory. The outline is bold and simple, so a small miscount rarely shows in the finished piece.

Yarn and hook

For a crisp, doily-scale submarine, reach for size 10 cotton thread and a 1.5–1.75 mm steel hook, which keeps the blocks sharp and the open mesh airy. Pick a smooth, non-fuzzy yarn so the filled blocks stay square and the open squares stay open after blocking.

Project ideas

The submarine is a natural fit for a coastal make: try it on a bathroom set, or a coastal cushion. Repeat, mirror, or frame it with open mesh to fill the space you have.

Who it's for

The submarine is an easy win when you are making something for an ocean-lover or marking a seaside holiday. Stitch it in the recipient's favourite colour to make the gift feel personal.

Size, printing, and scaling

Expect roughly 4.5 by 3.8 inches at 4 mesh per inch. Drop to fine thread for a smaller piece, or move to worsted to scale it right up. Send the chart straight to print for a clean numbered grid, or resize and re-crop it in the editor first and export a PDF, PNG, or CSV.

Before you start

Hook
1.5–1.75 mm steel hook
Thread / yarn
Size 10–20 cotton thread
Finished size
4.5 × 3.8 in at 4 mesh/in
  • Print or export a numbered chart from the editor
  • Have your hook and thread or yarn ready
  • 15 rows, worked bottom to top

Learn the technique

How to Read a Filet Crochet Chart

New to charts? Learn exactly how to read this one square by square.

Submarine filet crochet pattern — FAQ

Can a beginner crochet the submarine pattern?
Yes. The submarine is one of the more beginner-friendly charts here — it reads clearly and forgives the odd miscount. If you can work a double crochet and a chain, you can follow it.
Can I print the submarine pattern or save it as a PDF?
Absolutely — print a numbered grid straight from the page, or export a PDF or PNG from the editor. There is no paywall on the submarine chart.
Can I resize the submarine chart?
Yes. Open it in the editor and change the grid dimensions, crop it, or tile it. Because every cell is a true block or open mesh, scaling never makes half-stitches.
Can I make the submarine in more than one colour?
Filet crochet is traditionally a single colour so the filled and open squares read clearly, but you can work the background in a second shade or add a contrast border.
How many stitches is the submarine pattern?
The chart is 18 by 15 squares — 270 mesh in total, about 40 of them filled. At 4 mesh per inch that finishes roughly 4.5 by 3.8 inches.

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