Book corner mailing protectors — 3D-printable model preview
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Paper & bookbinding Medium (set)

Book corner mailing protectors

Protect book corners in the post

Slide a protector onto each corner of a hardback before you wrap it for the post: the corner sits in a sleeve that covers both boards and both edges, so books stop arriving with crushed corners. Fits books up to 28 mm thick. Print four.

Size (Base A)
50 × 50 × 30 mm
Shape
Rectangular
Walls
2.0 mm
Volume
15.7 cm³
Est. weight (PLA)
19.5 g
Parts to print
1
Made by
Krypto
Built in
12 steps

What’s in it

  • Rectangular, 50 × 50 × 30 mm, with 2.0 mm walls
  • One more base built on (Base B)
  • Base B: rectangular, 50 × 50 mm (stacked)

How to print it

Print four.

Prints as shown on its floor, no supports. Stacked parts are fused into one print.

Filament: at most about 19.5 g of PLA printed solid (roughly $0.39 at $20 per kg); normal infill uses less.

To get the files, open it in the generator and choose File › Download STL (one file per part) or Download 3MF (every part on one plate).

Questions

What size is the book corner mailing protectors model?

The book corner mailing protectors model measures 50 × 50 × 30 mm (width × depth × height). That is Base A; one more base is built on. You can change every size in the free SO3D.xyz generator before you download it.

Does it need supports?

No. Print four. Prints as shown on its floor, no supports. Stacked parts are fused into one print.

How much filament does it use?

At most about 19.5 g of PLA (15.7 cm³ printed solid), roughly $0.39 of filament at $20 per kg. Normal infill uses less.

Can I change it?

Yes. Open it in the SO3D.xyz generator (free, in your browser), change the size, walls, dividers, holes, text or anything else, then download it as STL or 3MF for your slicer.

More paper & bookbinding

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Make it fit your space

Change the size, walls, dividers, holes and labels of the book corner mailing protectors model in your browser, then download it for your printer. Free, no CAD needed.

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