Mailbox Quilt Block

There’s something extra special about happy mail—especially when it’s filled with love. 💌 For this month’s Quilt Block Mania, I’m sharing a Valentine’s Day–themed Mailbox quilt block created with foundation paper piecing (FPP). This charming block combines crisp piecing with playful details, making it a standout addition to your seasonal sewing.

Whether you’re stitching it as a single block or collecting the full Quilt Block Mania lineup, this tutorial will guide you step by step so you can enjoy the process as much as the finished block.

About the Mailbox Block

This block features a cozy mailbox scene complete with a love letter tucked inside—because nothing says Valentine’s Day like sending a little handmade love. FPP allows for sharp angles, clean lines, and those delightful small details that would be tricky with traditional piecing.

Block features:

Valentine’s Day mailbox motif with heart detail

Foundation Paper Piecing for accuracy and polish

Perfect balance of solids and prints

Great for confident beginners and seasoned FPP fans alike

Get the Free Pattern

This Mailbox Valentine FPP block is available free to Quilt Block Mania email subscribers during the event.

Your download includes:

Printable FPP templates

Section diagrams and assembly layout

Clear, step-by-step instructions

Quilt Block Mania brings together designers from across the quilting community, all releasing free blocks at the same time—making it easy to mix, match, and be inspired

Skill Level

Confident Beginner +

If you’re newer to foundation paper piecing, this block is a friendly way to build confidence. The sections are manageable, and the instructions walk you through the process one seam at a time. If you’re already an FPP lover, this block comes together quickly and is incredibly satisfying.

Fabric & Color Ideas

This mailbox block really shines when you play with contrast and texture:

Traditional Valentine: Reds, pinks, and creamy low-volumes

Cozy Cottage: Plaids, florals, and warm neutrals

Modern Love Letter: Solids with a pop of bold color

Scrappy Style: Use leftover reds and pinks for a patchwork mailbox

Tip: High contrast between the mailbox, letter, and background will help the design read clearly.

FPP Tips for a Happy Finish

Shorten your stitch length (around 1.6–1.8)

Press carefully and trim accurately after each seam

Label your sections before sewing to stay organized

Take your time—precision makes the details shine

Foundation paper piecing rewards patience, and the results are worth it.

Ways to Use Your Mailbox Block

Once finished, your Valentine mailbox can become:

A mini quilt or wall hanging

A festive throw pillow

A table topper with added borders

Part of a larger Quilt Block Mania sampler quilt

Join the Quilt Block Mania Fun

Quilt Block Mania is all about community, creativity, and celebrating quilting together. Be sure to explore the other free blocks in this month’s release and see how different designers interpreted the theme.

If you make this Mailbox block, I’d love to see it! Share your project on social media and tag #QuiltBlockMania so we can all admire your Valentine mail.

Happy stitching—and may your mailbox always be full of love. 💕

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Find the FPP tutorial here

New to Foundation Paper Piecing? Find a Beginner's guide here