Large letter size gauge — 3D-printable model preview
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Office tools Medium

Large letter size gauge

Check whether post goes as a large letter

Push the envelope through the tunnel: if it slides through, it is under 250 mm wide and 25 mm thick and goes at the large letter rate; if it sticks, it is a parcel. Saves a trip to the post office counter.

Size (Base A)
50 × 255 × 28 mm
Shape
Rectangular
Walls
2.4 mm
Volume
56.7 cm³
Est. weight (PLA)
70.3 g
Parts to print
1
Category
Office tools
Made by
Krypto
Built in
18 steps

What’s in it

  • Rectangular, 50 × 255 × 28 mm, with 2.4 mm walls
  • Engraved text: “250 x 25”
  • One more base built on (Base B)
  • Base B: rectangular, 50 × 255 mm (stacked)

How to print it

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

Filament: at most about 70.3 g of PLA printed solid (roughly $1.41 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 large letter size gauge model?

The large letter size gauge model measures 50 × 255 × 28 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. Prints as shown on its floor, no supports. Stacked parts are fused into one print.

How much filament does it use?

At most about 70.3 g of PLA (56.7 cm³ printed solid), roughly $1.41 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 office tools

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Make it fit your space

Change the size, walls, dividers, holes and labels of the large letter size gauge model in your browser, then download it for your printer. Free, no CAD needed.

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