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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
MAIN PURPOSE: Dry a washed CPAP hose without kinks
Hook it over the shower rail and drape the washed CPAP hose over the wide saddle: both ends hang down, the water drains out of the full length, and the 35 mm radius never kinks the tube the way a tap or a towel hook does.
Printing notes
74.0 cm³
Volume
91.7 g
Est. weight
1,132
Triangles
Print as it comes (profile on the bed) in PETG.
MAIN PURPOSE: Watch a phone at eye level on a plane
Slide the thin tongue into the gap above the stowed tray table and stand the phone in the lipped cradle: films play at eye level without holding the phone or folding the tray down, and the whole clip lives in a jacket pocket.
Printing notes
21.2 cm³
Volume
26.3 g
Est. weight
740
Triangles
Print as it comes (profile on the bed) in PETG.
MAIN PURPOSE: Stop backpack zips being opened in crowds
Hook the two zip pulls of a backpack pocket into the narrowed throats of this S link: the pocket can no longer be slid open quietly in a crowd, but your own fingers unhook it in a second.
Printing notes
1.6 cm³
Volume
2.0 g
Est. weight
652
Triangles
Print flat in PETG; print a few.
MAIN PURPOSE: Hang a second bag on a rolling suitcase
The upper hook clamps over the extended telescopic handle and the deep lower hook takes the strap of a tote or laptop bag: the bag rides on the suitcase instead of slipping off your shoulder through the airport.
Printing notes
32.9 cm³
Volume
40.8 g
Est. weight
1,316
Triangles
Print as it comes (profile on the bed) in PETG.
MAIN PURPOSE: Carry sunglasses on a backpack strap
The spring U slides onto a shoulder strap and the narrow slot behind it holds one arm of a pair of glasses: sunglasses ride on your chest, ready to put on, instead of being crushed in a pocket.
Printing notes
4.0 cm³
Volume
5.0 g
Est. weight
592
Triangles
Print as it comes (profile on the bed) in PETG.
MAIN PURPOSE: Close the light gap between hotel curtains
Pinch the two overlapping edges of hotel curtains together with this hairpin spring: the strip of street light or early sun that always gets through the middle is gone, and you sleep in proper darkness.
Printing notes
16.2 cm³
Volume
20.1 g
Est. weight
648
Triangles
Print as it comes (profile on the bed) in PETG; print two.
MAIN PURPOSE: Train climbing finger strength by lifting a weight
Girth-hitch a sling round the neck under the T bar, clip on a kettlebell or a bag of weight and lift it off the floor with your fingertips in the 20 mm or the 15 mm incut slot: climbers can train finger strength anywhere, with no hangboard and no door frame to drill.
Printing notes
246.3 cm³
Volume
305.4 g
Est. weight
1,748
Triangles
Print standing on its profile in PETG, 5 walls and 40 % infill.
MAIN PURPOSE: Stop weight plates sliding off a barbell
A clip-on collar for a 50 mm Olympic sleeve: squeeze the two ears together, the ring opens, slide it against the plates and let go, and the 25 mm deep ring grips the sleeve so the plates cannot creep out during a set.
Printing notes
41.0 cm³
Volume
50.8 g
Est. weight
1,750
Triangles
PETG or nylon; print two, flat on the bed. Prints as shown on its outline, no supports.
MAIN PURPOSE: Attach a race number without pinning the shirt
Four magnet pairs replace the safety pins on a race number: one button inside the shirt, one outside the bib, and they snap together through both layers. No holes in a technical shirt, and the number stays flat at any pace.
Printing notes
1.1 cm³
Volume
1.3 g
Est. weight
1,064
Triangles
Print eight; glue a 10 x 2 mm neodymium disc into each. Prints as shown on its floor, no supports.
MAIN PURPOSE: Draw straight alignment lines on golf balls
Drop a ball into the box and run a fine marker down the front slot, then the back slot: both slots lie on one great circle, so the two strokes join into a long straight putting line. Turn the ball, repeat, and every line is true.
Printing notes
6.4 cm³
Volume
7.9 g
Est. weight
3,000
Triangles
Prints as shown on its floor, no supports. Large holes in the walls may need supports or good bridging.