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Your choice: a print file (STL) for your own 3D printer – instant download – or ready-printed with shipping.

The gyro rings fanned out in the stand
  • Image 1: The gyro rings fanned out in the stand
  • Image 2: Left flat, as the rings come out of the printer, right fanned out in the stand
  • Image 3: The print parts: rings in one piece and the stand

Images: 3D preview of the design

No. 69 · Five gimbal rings with a star disc, print-in-place, 65 mm, with stand – print files

Gyro Rings with Star

  • Instant download (ZIP, 2 MB)
  • 2 files
How would you like the model?

€1.90

Instant download · ZIP, 2 MB · No VAT charged pursuant to § 19 UStG

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Five rings and a disc with a star cut-out are printed flat in one piece. Afterwards every ring can be turned fully around its own axis; the axes change by 90° from ring to ring.

In the download

  • GyroRinge.stl
  • Staender.stl
Diameter
65 mm
Thickness
8 mm
Rings
5 rings, each 3.6 mm wide + star disc Ø 24 mm
Gap
0.5 mm between the rings, 0.4 mm at the pegs
Pegs
cone 45°, engagement 1.8 mm
Stand
54 × 24 × 13 mm, total height set up 67 mm
Format
STL, 2 files (rings: 6 bodies)

The model

Each ring hangs with two conical pegs in conical dimples of the next larger ring. The pegs engage 1.8 mm deep and have 0.4 mm of clearance; the lateral play of the rings is below 0.6 mm, so they cannot slip out of the dimples. The axes alternate lengthwise and crosswise, turning the flat disc into a sphere of rings.

All surfaces between the rings are spherical surfaces around the same center, so the gap of 0.5 mm stays the same in every rotation. Checked are 24 positions per joint over the full turn and 30 random overall positions of all rings, with no contact.

The stand is a second, simple print part: the outer ring stands upright in a groove while the inner rings turn freely in a recess.

View print notes (German)

Print notes included in German; part names are self-explanatory.

You will need

  • 3D printer with a print area of at least 70 × 70 mm
  • Filament in one or two colors

Printing

Orientation
rings flat, stand with the groove up
Supports
none
Print area
from 65 × 65 mm
Material
PETG, 0.4 mm nozzle, 0.2 mm layers
Colors
rings in one color, stand in a second one if you like

Notes

  • If the first layer sticks together a little, tip the rings out of the plane one by one after printing, from the outside in. The conical pegs have exactly 45° overhang.
  • The files are for your private use – print them as often as you like. You may not pass on, upload or sell the files themselves.

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