Capricorn XS PTFE Bowden tubing (1.75 mm filament) — dimension sheet
Source: Xem Studio, https://xemstudio.com/objects/capricorn-xs-ptfe-tubing/  (sheet CC BY 4.0)
Basis: Manufacturer specifications (Capricorn Automation)
Catalog version: 2026-10-20

Overall (mm): length 3.95, width 3.95, height 100
- Capricorn XS is the 1.75 mm-filament Bowden tube with a 1.90 mm bore and 3.95 mm outside, sold as a nominal 4 mm OD tube.
- The file is a 100 mm length of tube for fitting couplers and clips; cut length is up to you.
- Capricorn notes printer failures can happen well below the stated melting point.
- True size, no printing tolerance added. Only published numbers are used; anything not published is said so.

dimension  value
Inner diameter  1.90 ± 0.05 mm
Outer diameter  3.95 ± 0.05 mm
Roundness  < 0.1
Melting point  up to 340 °C
Colour  dark blue, opaque
Linear expansion at 250 °C  2.2–3.3 %

Files elsewhere (not hosted by Xem Studio; license as stated by the publisher):
- Capricorn Automation: Technical Specifications — web — Publisher's page; dimensions are facts — https://www.captubes.com/specs.html

Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/capricorn-xs-ptfe-tubing/index.json
API: https://xemstudio.com/api/geometry?object=capricorn-xs-ptfe-tubing