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Book Cover 3D Models: STL Files for Printing

This collection gathers 3D models for book covers, from plain protective sleeves to themed jackets and clip-on pen holders. Most files are prepared for 3D printing as STL, so you can match a cover to a particular book format. Browsing it shows how different makers approach the same object. Polyzon does not confirm whether models are free, their price, license, official status, affiliation, safety or fitness. Check the current terms at the source.

このコレクションの本文は英語で書かれています。検索自体はどの言語でも使えます。

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選定基準：Polyzon編集部 · 本文の更新日：2026年10月10日

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«Book Cover 3D Models: STL Files for Printing»

Covers here fall into a few groups. Flexible sleeves and plain jackets protect a paperback or hardback and often print as one piece. Pen and pencil holders clip onto a cover you already own rather than replacing it. Themed covers reproduce a fictional or film book, while decorative panels put artwork on the front through color changes or a lithophane effect.

Before printing, open the model page and read what the author lists. Compare the inner dimensions with your book, note the number of parts and how they join, and check whether the design needs supports or a specific filament. Photos of finished prints show how the surface and the fit came out in practice.

To narrow the results, search by the object you want to cover: journal, notebook, passport, memo pad. Words like sleeve, jacket, dust cover or case usually lead to the same family of models. If you have a look in mind, add flexible, magnetic, lithophane or customizable to the query.

FAQ

よくある質問

What measurements do I need before printing a book cover?
Measure the height, width and thickness of the closed book, spine included. Authors usually state the inner size their model was drawn for, so compare both sets of numbers before slicing.
Can one cover model fit a hardback and a paperback?
It depends on the design. Some are drawn for a fixed format, while parametric ones let you enter your own dimensions. The description usually says which formats the author had in mind.
Do book cover models need supports?
Flat covers and sleeves often print without them, while clips, locks and thin overhangs may need them. The model page generally notes this together with the orientation used.
How do I get a cover with a picture or text on it?
Some designs rely on filament changes at set layer heights, others use a lithophane or a separate printed panel. Look for models that include the artwork file or the layer heights to use.
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