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Models shared by the SO3D.xyz community. Open any of them in the generator to see exactly how it was built, remix it, or print it as-is. Browse the model library by category

Preview of Levitating-pencil desk base
By Krypto
Complexity
Medium
MAIN PURPOSE: Float a pencil in mid-air on ring magnets, touching only a little end plate
A pencil that hangs in the air above the desk. Disc magnets pressed into the four sockets push up against two ring magnets slid onto the pencil, so it floats with nothing underneath it, held in line by its point resting lightly on the end plate. Flick it and it spins silently for a long time. Glue a coin or a small mirror on the end plate for the smoothest spin.
AR view Open in app
Preview of Rubin vase pen tray
By Krypto
Complexity
Simple
MAIN PURPOSE: Keep pens in a vase that turns into two faces
A pen tray built on Rubin's vase, the most famous figure-ground illusion. Look at the tray and you see a vase. Look at the desk beside it and you see two faces looking at each other, their foreheads, noses, lips and chins traced by the vase's curves. Pens lie in the vase, and the illusion is always on the desk.
AR view Open in app
Preview of Floppy-disk desk tray
By Krypto
Complexity
Medium
MAIN PURPOSE: Sort desk bits in a giant 3.5-inch floppy disk
The save icon that outlived the thing it pictures, blown up into a desk tray. A shutter bay along the front takes pens, the big label area holds notes and cards, and 1.44 MB is engraved in the floor. A notched corner stands in for the write-protect tab. Anyone who remembers floppy disks will want one.
AR view Open in app
Preview of Jigsaw-piece link trays
By Krypto
Complexity
Simple (set)
MAIN PURPOSE: Print several puzzle-piece trays that lock together into one
A desk tray in the shape of a jigsaw piece, with two tabs and two blanks. Print four and they lock into a square, print nine and you have a 3x3 organiser, and pull one out to take it to another desk. It is a modular system that is also a puzzle.
AR view Open in app
Preview of Penrose-stairs organiser
By Krypto
Complexity
Advanced
MAIN PURPOSE: Sort desk bits in boxes that step round like the endless staircase
Four long boxes pinwheel round a central well, each one a step taller than the last, like the Penrose stairs in Escher's Ascending and Descending. Clips go in the lowest, pens in the tallest, and the centre takes the phone. It is a useful organiser that looks as though it climbs forever.
AR view Open in app
Preview of Smart-glasses charging dock
By Krypto
Complexity
Simple
MAIN PURPOSE: Charge smart glasses folded in a dock at night
Smart glasses need charging every night but have nowhere to live. This dock cradles them folded in the deep front bay, with the charging cable routed in through the back, and the side bay keeps a cleaning cloth and the case.
AR view Open in app
Preview of Retro-TV phone stand
By Krypto
Complexity
Medium
MAIN PURPOSE: Stand a phone behind the screen of a retro television
A phone stand shaped like an old cathode-ray television. The phone stands sideways inside and its screen fills the TV's rounded front window, so a video call or a recipe looks as if it is on a 1970s set. CH 3 is under the screen, and the charging cable leaves through the back.
AR view Open in app
Preview of Cassette pen stand
By Krypto
Complexity
Medium
MAIN PURPOSE: Stand pens in the reel holes of a giant cassette tape
A desk tidy in the shape of a giant audio cassette. Pens and pencils stand in the two big reel holes, and the shell underneath catches clips. SIDE A is raised on the front. A mixtape for your stationery.
AR view Open in app
Preview of Ampersand key tray
By Krypto
Complexity
Simple
MAIN PURPOSE: Drop keys and post into a giant ampersand by the door
A hall tray in the shape of a huge ampersand, the "and" that links you to everything you carry out of the door. Keys go in the big lower loop, coins and rings in the top loop, and the curling tail holds a lip balm or USB stick. Typography you use every day.
AR view Open in app
Preview of Piano-key pen tray
By Krypto
Complexity
Advanced
MAIN PURPOSE: Keep a pen in each key of a piano octave
A pen tray laid out as one octave of a piano: seven bays, C to B, one for each white key, with the notes engraved in the floor. The dividers stand tall where the black keys fall and dip low between E and F, just like the real keyboard. Seven pens, one octave.
AR view Open in app

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