How to Make a Paper Envelope with a Rectangular Paper

Creating a paper envelope from a rectangular sheet might seem daunting at first, but with a few simple steps, you can craft a functional and stylish envelope in no time. Whether you're sending a handwritten letter or a small gift, a homemade envelope adds a personal touch that store-bought envelopes can't match. Here's a step-by-step guide to help you make a paper envelope using a rectangular paper.

How to Make Your Own Origami Envelope from Paper
How to Make Your Own Origami Envelope from Paper

Before we dive into the process, gather your materials. You'll need a rectangular paper, a ruler, a pencil, scissors, and glue or tape. If you want to add a decorative touch, you might also want to have colored paper, markers, or stickers on hand.

a person holding up a pink card with the number 4 on it and two hands
a person holding up a pink card with the number 4 on it and two hands

Measuring and Cutting

To start, you'll need to measure and cut your paper to create the envelope's base. For a standard envelope, you'll need a piece of paper that's about 8.5 inches by 11 inches. However, you can adjust these measurements to fit your needs or the size of your paper.

HOW TO MAKE AN ENVELOPE FOR LETTERS WITHOUT GLUE STEP BY STEP | EASY PAPER ENVELOPE INCL ART
HOW TO MAKE AN ENVELOPE FOR LETTERS WITHOUT GLUE STEP BY STEP | EASY PAPER ENVELOPE INCL ART

Using your ruler and pencil, mark the halfway point on the shorter side of your paper. This will be the fold line for the bottom of your envelope. Then, measure and mark two lines along the longer side, about 1.5 inches from the top and bottom edges. These will be the sides of your envelope.

Cutting the Flaps

✉️ How To Make An Envelope Out Of A4 Paper
✉️ How To Make An Envelope Out Of A4 Paper

Next, you'll need to cut out the flaps for your envelope. Using your marks as a guide, carefully cut along the lines you've drawn. You should end up with a piece of paper that looks like a capital letter 'I' - a long rectangle with two smaller rectangles attached at the top.

Set this piece aside for now. You'll use it later to create the envelope's flaps.

Creating the Envelope Base

DIY envelope with A4 paper, I hope it helps
DIY envelope with A4 paper, I hope it helps

Take the remaining piece of paper - the larger rectangle - and fold it in half along the line you marked earlier. This will be the bottom fold of your envelope. Crease the fold well, then unfold the paper.

Now, fold the top edges of the paper inward, so they meet the center crease. These will be the sides of your envelope. Crease these folds well, then unfold the paper again.

Assembling the Envelope

Creaciones Pascua – Foami y Papelería
Creaciones Pascua – Foami y Papelería

It's time to start assembling your envelope. Fold the paper in half along the bottom crease, bringing the two sides together. This should create a rectangular envelope with an open top.

Take the piece of paper you set aside earlier - the one with the two flaps. Fold it in half along the center line, bringing the two flaps together. This will be the envelope's closure.

Envelope from standard letter size paper
Envelope from standard letter size paper
someone is making an origami envelope out of pink paper and white cardstocks
someone is making an origami envelope out of pink paper and white cardstocks
Long Envelope Tutorial
Long Envelope Tutorial
how to make origami envelopes with pictures and instructions - step by step
how to make origami envelopes with pictures and instructions - step by step
Perfect envelope using just Letter / A4 size paper - no glue needed 😃🤗#papercraft #paperenvelope
Perfect envelope using just Letter / A4 size paper - no glue needed 😃🤗#papercraft #paperenvelope
instructions to make an origami envelope
instructions to make an origami envelope
50+ DIY Envelopes & Liners: {Free Templates & Tutorials}
50+ DIY Envelopes & Liners: {Free Templates & Tutorials}
origami envelopes are sitting on a marble table with the words for you written on them
origami envelopes are sitting on a marble table with the words for you written on them
how to make an origami envelope
how to make an origami envelope
✉️ How To Make A Envelope Out Of Paper Easy
✉️ How To Make A Envelope Out Of Paper Easy
Easy Origami Envelope Tutorial – Step by Step Crafting Guide
Easy Origami Envelope Tutorial – Step by Step Crafting Guide
DIY Envelopes (Easy Paper Craft!) | Welcome to Nana's
DIY Envelopes (Easy Paper Craft!) | Welcome to Nana's
two hands on top of a piece of yellow paper with the words, i bet you didn't know how easy it is
two hands on top of a piece of yellow paper with the words, i bet you didn't know how easy it is
How to make envelope/ Origami /  편지봉투만들기/ 종이접기 / DIY
How to make envelope/ Origami / 편지봉투만들기/ 종이접기 / DIY
✉️✉️✉️❤️
✉️✉️✉️❤️
someone is cutting out pink paper on top of a green surface with scissors and a ruler
someone is cutting out pink paper on top of a green surface with scissors and a ruler
someone is making an origami piece out of fabric and paper with their hands
someone is making an origami piece out of fabric and paper with their hands
Free Printable Envelope Templates
Free Printable Envelope Templates
How to Make Any-Sized Envelope the Easy Way
How to Make Any-Sized Envelope the Easy Way
How to Make a Paper Envelope
How to Make a Paper Envelope

Attaching the Flaps

Apply glue or tape to the inside of the folded flap piece, along the edges and the bottom. Be careful not to get glue on the outside of the flap, as this could make it difficult to seal later.

Carefully align the folded flap piece with the open top of your envelope, making sure the edges are even. Press the flap piece onto the envelope, using a cloth or paper towel to avoid getting glue on your fingers. Hold it in place for a few seconds to ensure a strong bond.

Finishing Touches

Once the glue or tape has dried, your envelope is ready to use. If you'd like to add a decorative touch, now is the time to do so. You could draw or paint a design on the envelope, add stickers, or use colored paper to create a border.

To use your envelope, simply fold the top flaps down to close it, then tuck them into the envelope to seal it. You can add a small piece of tape or a sticker to keep it closed if needed.

Making a paper envelope from a rectangular sheet is a simple and rewarding project. Not only does it allow you to customize your envelope to your needs, but it also gives you a sense of accomplishment. So the next time you need to send a letter or a small gift, consider making your own envelope. Who knows? You might just discover a new hobby!