How can I make a postcard-sized flipbook that reads smoothly with just three materials?

If you want a tiny, delightful flipbook that fits in a postcard slot and flips like a charm, you don’t need a full studio of supplies. I’ve made dozens of pocket-sized flipbooks that read smoothly using only three core materials: paper (thin for the moving pages and heavier for the backing), PVA glue (a good white craft glue), and a strong binder clip. I’ll walk you through a simple, repeatable method that gives a satisfying, buttery flip even if you’re working on the kitchen table.

Why these three materials?

Paper is the heart of the book: the thinner the pages, the more you can stack, and the cleaner the flip. I use thin copy paper (70–80 gsm) for the animation pages and a single postcard-weight card (around 250–300 gsm) for the backing.

PVA glue (also called white craft glue or bookbinding glue) is flexible when it dries and bonds well to paper fibres — important for a spine that must flex a lot. Brands like Aleene’s, Elmer’s PVA or a bookbinding PVA all work.

A binder clip holds the stack perfectly aligned while the glue sets and is also the easiest inexpensive clamping tool everyone already has.

I’ll also mention a few common tools as “helpers” you probably have at home: a ruler, pencil, scissors, and something flat and heavy to act as a weight while the glue dries. These are tools, not counted among the three materials.

Decide size and frame count

For postcard size I like A6 (105 × 148 mm / roughly 4.1 × 5.8 in) — big enough to draw on, small enough to fit in a real postcard slot. A flipbook that feels smooth usually needs at least 40–60 frames; 80+ is extra silky. The thinner the pages, the higher you can go.

Frames	Feel	Notes
30–40	Quick, staccato	Good for short gestures
50–70	Smooth, satisfying	Sweet spot for most postcard flipbooks
80–120	Very fluid	Requires thinner pages or fewer backing layers

Preparing your pages (the drawing workflow)

There are two main ways to create the frames: draw each page individually using onion-skinning as a guide, or print a pre-designed sequence. If you’re drawing freehand, keep consistent margins and a simple registration mark in one corner so every sheet lines up exactly.

My favourite quick method when I want hand-drawn charm is this:

Cut a stack of thin paper to postcard size (use a metal ruler and a craft knife or careful scissors). I usually cut about 60 sheets for the animation, plus one heavier card for the back.

On the top sheet, lightly draw frame 1. Flip the paper over and hold it to a window (or use a phone flashlight) to see the drawing through — this is low-tech onion-skinning. Draw frame 2 on the second sheet, and so on. If you prefer, draw in pencil and ink the final after testing the motion.

If you’re printing, prepare your frames in Photoshop/Procreate and print the sequence onto thin paper. Make sure page orientation and margins are identical for every page.

Registering and trimming the stack

Smooth reading depends on perfect alignment. Here’s a quick alignment routine I use:

Stack the animation sheets neatly. Tap the stack on the table’s edge so the three exposed sides are flush.

Add the postcard backing on the bottom of the stack.

Clamp the stack tightly with the binder clip at the left edge (this will become your spine). If the flip will be along the short edge, clip the short side instead.

If your edges aren’t clean, trim them now. A clean, square edge helps the thumb find a consistent flip path. Use a ruler and sharp blade or a guillotine trimmer if available.

Preparing the spine for glue

A glue-ready spine needs two things: a rough surface for adhesion and a slight chamfer so the pages can flex. Here’s my minimal two-step approach without extra materials:

Gently sand or roughen the spine edge with a coarse emery board or sandpaper if you have one. If you don’t, drag the spine a few times across a cardboard edge to slightly nick the fibres. This helps the PVA bite into the paper.

Fan the pages open a tiny amount at the spine (a couple of millimetres) so that when they fold, there’s room for flex. Don’t overdo it — just a gentle curve helps.

Glue application and clamping

Mix a little PVA with a touch of water if it’s very thick (about 10% water) to make it more soak-in friendly. Use a small brush or even your finger to apply a thin, even coat along the spine. Important tips:

Apply from top to bottom in one pass to avoid lumps.

Work quickly but carefully: apply glue, then press the spine together.

Re-clamp with the binder clip and wipe any squeeze-out with a damp cloth.

Place the clipped stack under a flat weight (a heavy book works) and let it dry for at least 2–3 hours. For best flexibility, allow it to cure overnight. PVA remains slightly flexible permanently, which is why it’s ideal.

Finishing touches to improve the flip

After the glue has cured, remove the clip and lightly flex the spine back and forth a few times to loosen the pages. Then do these small refinements:

Round the corners: Softer corners stop catching and create a nicer tactile flip. A corner rounder is handy, or carefully clip with scissors.

Test the flip: Flip with your thumb close to the spine for control. If the animation feels sticky or uneven, sand the spine lightly and apply a second thin coat of PVA.

Decorate the cover: Use the backing card for a title or front illustration. Keep the front and rear covers slightly larger or heavier to give the thumb a reliable edge.

Troubleshooting common issues

Here are problems I’ve encountered and how I fixed them:

Pages stick together: You probably applied too much glue. Sand the spine carefully and apply a thinner coat of PVA. Let it dry completely between coats.

Flip feels jerky: Check for misaligned pages — re-square the stack and trim if needed. Also, ensure you have enough frames; sometimes jerky motion is simply not enough in-betweens.

Spine cracks: If the spine is very stiff (caused by a glue that dries hard), try a more flexible PVA or add a very thin scrap of cloth or paper as a hinge before gluing (this technically adds a tiny fourth material, so I only do this if necessary).

Animation tips for small formats

Keep drawings simple and high-contrast: small pages can’t hold tiny detail well. Big shapes and clear poses read at postcard scale. Reuse backgrounds across frames to save time, and focus motion on one or two elements to keep the flip legible. A loop (where the last frame connects neatly to the first) feels particularly satisfying when flipped repeatedly.

With paper, PVA and a binder clip, you can make charming, pocket-sized flipbooks that read smoothly and feel delightful in the hand. The magic comes from careful registration, a clean spine prep, and a patient glue cure — simple things, but they add up to a tiny bit of wonder every time you flip.