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

The extended telescopic icicle on a wooden table, the lid next to it
  • Image 1: The extended telescopic icicle on a wooden table, the lid next to it
  • Image 2: Extended, half extended and retracted with the lid
  • Image 3: Rod and both caps in print position

Images: 3D preview of the design

No. 78 · 6 tubes extend from 65 to 332 mm, print-in-place – print files

Telescopic Icicle

  • Instant download (ZIP, 338 kB)
  • 3 files
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€1.90

Instant download · ZIP, 338 kB · No VAT charged pursuant to § 19 UStG

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Six conical tubes sit inside each other and are printed standing in one piece. With one swing they extend into a 332 mm long icicle and wedge in the end position.

In the download

  • TeleskopStab.stl (6 tubes, print-in-place)
  • Bodenkappe.stl
  • Deckel.stl
Retracted
Ø 43 × 65 mm (with caps Ø 47 × 70 mm)
Extended
332 mm
Tubes
6, wall 1.2 mm, taper 1.5°
Tip
Ø 6 mm, rounded
Format
STL, 3 files

The model

Each tube can be pulled 53.5 mm out of the next larger one. In the last millimeter the collar at the lower tube end runs onto a ramp with 0.10 to 0.15 mm of oversize and wedges; right behind it sits a stop shoulder the tube cannot get past. The tubes have a 1.2 mm wall and a 1.5° taper; in the print position there is 1.4 mm of air between them.

The handle piece has nine grooves. The bottom cap latches into a groove on the handle and holds the tubes in the handle. The lid latches behind a bead at the upper end of the handle and keeps the rod retracted. The tip is rounded.

The extension is calculated for all five tube pairs in 13 positions each. How firmly the tubes sit in the end position depends on the dimensional accuracy of your printer.

View print notes (German)

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

You will need

  • 3D printer with a build space of at least 50 × 50 × 70 mm
  • Filament, e.g. light blue and white

Printing

Rod
standing, all six tubes in one print
Caps
with the bottom on the bed
Supports
none
Material
PETG, 0.4 mm nozzle, 0.2 mm layers
Build space
from 50 × 50 × 70 mm

Notes

  • Press on the bottom cap first, otherwise the tubes slide out of the handle at the bottom. Do not point at faces.
  • 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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