Round doorknob lever converter — 3D-printable model preview
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Round doorknob lever converter

Open round doorknobs without gripping

Push the 58 mm cup over a round doorknob with a strip of rubber shelf liner inside and the knob becomes a lever: an elbow, a wrist or a closed fist opens the door, no gripping and twisting needed.

Size (Base A)
Ø 62 mm, 32 mm tall
Shape
Round
Walls
3.0 mm
Volume
29.8 cm³
Est. weight (PLA)
37.0 g
Parts to print
1
Made by
Krypto
Built in
13 steps

What’s in it

  • Round, Ø 62 mm, 32 mm tall, with 3.0 mm walls
  • One more base built on (Base B)
  • Base B: rectangular, 22 × 100 mm, 18 mm tall (beside)

How to print it

PETG; measure your knob, the cup is 56 mm inside.

Prints as shown on its floor, no supports.

Filament: at most about 37.0 g of PLA printed solid (roughly $0.74 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 round doorknob lever converter model?

The round doorknob lever converter model measures Ø 62 mm, 32 mm tall. 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. PETG; measure your knob, the cup is 56 mm inside. Prints as shown on its floor, no supports.

How much filament does it use?

At most about 37.0 g of PLA (29.8 cm³ printed solid), roughly $0.74 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 accessibility & daily living

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Make it fit your space

Change the size, walls, dividers, holes and labels of the round doorknob lever converter model in your browser, then download it for your printer. Free, no CAD needed.

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