Tube adapter ⌀ 45–9 mm (Length: 90 mm) 📦#1271

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Tube reducer ⌀45 mm to ⌀9 mm in STL format. Final length of this coupler is 90 mm. The thickness of the larger diameter tube is 2.5 mm, and the smaller one is 2 mm. The ends are raw.
Generation date: 2025-07-27
3D Model Tube adapter ⌀ 45–9 mm (Length: 90 mm)
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3D model download

  • inline-tube-adapter-lenA30mm-diA45mm-thA2.5mm-lenB30mm-diB9mm-thB2mm-tra30mm-ofs0mm-fil0_model1271-nb0_dd{id}.stl
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Values for this model

Parameter Value Unit Label
#1 side A length 30 mm lenA
#2 side A diameter 45 mm diA
#3 side A thickness 2.5 mm thA
#4 side B length 30 mm lenB
#5 side B diameter 9 mm diB
#6 side B thickness 2 mm thB
#7 transition length 30 mm tra
#8 axis offset 0 mm ofs
#9 ends fillet 0 fil
illustration of the parameters
Representation of the parameters

The transition refers to the connection interface between the two tubes. It defines the total length of the adapter, which is equal to the sum of the tube lengths plus the length of the transition.

Details for parameter #9 ends fillet:

  • 0: no fillet
  • 1: fillet on the outside
  • 2: fillet on the inside
  • 3: fillet on both inside and outside

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To search for a model based on your own parameters, go to the template page Inline tube adapter 

📦 3D model #1260

1 object(s) - format STL
Tube adapter ⌀ 45–10 mm (Length: 90 mm)
Tube adapter ⌀ 45–10 mm (Length: 90 mm)
Inline sleeve ⌀45 mm to ⌀10 mm in STL format. Final length of this junction is 90 mm. The thickness of the larger diameter tube is 2.5 mm, and the smaller one is 2 mm. The ends have no fillet.
Parameter Value Unit
side A length30mm
side A diameter45mm
side A thickness2.5mm
side B length30mm
side B diameter10mm
side B thickness2mm
transition length30mm
axis offset0mm
ends fillet0

📦 3D model #1272

1 object(s) - format STL
Tube adapter ⌀ 45–15 mm (Length: 90 mm)
Tube adapter ⌀ 45–15 mm (Length: 90 mm)
Inline sleeve ⌀45 mm to ⌀15 mm in STL format. Length of this junction is 90 mm. The thickness of the larger diameter tube is 2.5 mm, and the smaller one is 2 mm. The ends are raw.
Parameter Value Unit
side A length30mm
side A diameter45mm
side A thickness2.5mm
side B length30mm
side B diameter15mm
side B thickness2mm
transition length30mm
axis offset0mm
ends fillet0

📦 3D model #1270

1 object(s) - format STL
Tube adapter ⌀ 44–16 mm (Length: 90 mm)
Tube adapter ⌀ 44–16 mm (Length: 90 mm)
Tube connector ⌀44 mm to ⌀16 mm in STL format. Length of this connector is 90 mm. The thickness of the larger diameter tube is 2.5 mm, and the smaller one is 2 mm. The ends have no fillet.
Parameter Value Unit
side A length30mm
side A diameter44mm
side A thickness2.5mm
side B length30mm
side B diameter16mm
side B thickness2mm
transition length30mm
axis offset0mm
ends fillet0

📦 3D model #1269

1 object(s) - format STL
Tube adapter ⌀ 38–10 mm (Length: 90 mm)
Tube adapter ⌀ 38–10 mm (Length: 90 mm)
Tube connector ⌀38 mm to ⌀10 mm in STL format. Final length of this fitting is 90 mm. The thickness of the larger diameter tube is 2.5 mm, and the smaller one is 2 mm. The ends are rounded on the outside.
Parameter Value Unit
side A length30mm
side A diameter38mm
side A thickness2.5mm
side B length30mm
side B diameter10mm
side B thickness2mm
transition length30mm
axis offset0mm
ends fillet1

📦 3D model #1109

1 object(s) - format STL (3.0/5) 1 vote(s)
Tube adapter ⌀ 30–26 mm (Length: 50 mm)
Tube adapter ⌀ 30–26 mm (Length: 50 mm)
Inline tube adapter ⌀30 mm to ⌀26 mm in STL format. Final length of this reducer is 50 mm. The thickness of the tubes is identical: 2 mm. The ends have no fillet.
Parameter Value Unit
side A length15mm
side A diameter30mm
side A thickness2mm
side B length30mm
side B diameter26mm
side B thickness2mm
transition length5mm
axis offset0mm
ends fillet0

📦 3D model #1261

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter ⌀ 20–5 mm (Length: 65 mm)
Tube adapter ⌀ 20–5 mm (Length: 65 mm)
Inline tube junction ⌀20 mm to ⌀5 mm in STL format. Total length of this coupler is 65 mm. The thickness of the tubes is identical: 2 mm. The ends feature an external fillet to ease the connection.
Parameter Value Unit
side A length30mm
side A diameter20mm
side A thickness2mm
side B length30mm
side B diameter5mm
side B thickness2mm
transition length5mm
axis offset0mm
ends fillet1

📦 3D model #1234

1 object(s) - format STL
Tube adapter ⌀ 60–45 mm (Length: 75 mm)
Tube adapter ⌀ 60–45 mm (Length: 75 mm)
Tube coupler ⌀60 mm to ⌀45 mm in STL format. Final length of this adapter is 75 mm. The thickness of the tubes is identical: 3 mm. The ends are not rounded.
Parameter Value Unit
side A length30mm
side A diameter60mm
side A thickness3mm
side B length30mm
side B diameter45mm
side B thickness3mm
transition length15mm
axis offset0mm
ends fillet0

📦 3D model #1103

1 object(s) - format STL (5.0/5) 1 vote(s)
Tube adapter ⌀ 32–25 mm (Length: 25 mm)
Tube adapter ⌀ 32–25 mm (Length: 25 mm)
Inline tube reducer ⌀32 mm to ⌀25 mm in STL format. Final length of this reducer is 25 mm. The thickness of the tubes is identical: 2 mm. The ends are not rounded.
Parameter Value Unit
side A length10mm
side A diameter32mm
side A thickness2mm
side B length10mm
side B diameter25mm
side B thickness2mm
transition length5mm
axis offset0mm
ends fillet0

📦 3D model #1163

1 object(s) - format STL
Tube adapter ⌀ 80–50 mm (Length: 80 mm)
Tube adapter ⌀ 80–50 mm (Length: 80 mm)
Tube reducer ⌀80 mm to ⌀50 mm in STL format. Length of this fitting is 80 mm. The thickness of the tubes is identical: 3 mm. The ends have no fillet.
Parameter Value Unit
side A length30mm
side A diameter80mm
side A thickness3mm
side B length30mm
side B diameter50mm
side B thickness3mm
transition length20mm
axis offset0mm
ends fillet0

📦 3D model #1123

1 object(s) - format STL
Tube adapter ⌀ 60–40 mm (Length: 85 mm)
Tube adapter ⌀ 60–40 mm (Length: 85 mm)
Straight sleeve ⌀60 mm to ⌀40 mm in STL format. Total length of this reducer is 85 mm. The thickness of the tubes is identical: 3 mm. The axes of the tubes are offset. The ends feature an external fillet to make tube connection easier.
Parameter Value Unit
side A length40mm
side A diameter60mm
side A thickness3mm
side B length40mm
side B diameter40mm
side B thickness3mm
transition length5mm
axis offset1mm
ends fillet1

📦 3D model #1104

1 object(s) - format STL (3.3/5) 3 vote(s)
Tube adapter ⌀ 7–5.5 mm (Length: 15 mm)
Tube adapter ⌀ 7–5.5 mm (Length: 15 mm)
Tube adapter ⌀7 mm to ⌀5.5 mm in STL format. Final length of this junction is 15 mm. The thickness of the tubes is identical: 2 mm. The ends are raw.
Parameter Value Unit
side A length5mm
side A diameter7mm
side A thickness2mm
side B length5mm
side B diameter5.5mm
side B thickness2mm
transition length5mm
axis offset0.6mm
ends fillet0

📦 3D model #1166

1 object(s) - format STL (4.5/5) 2 vote(s)
Tube adapter ⌀ 80–70 mm (Length: 80 mm)
Tube adapter ⌀ 80–70 mm (Length: 80 mm)
Diameter adapter ⌀80 mm to ⌀70 mm in STL format. Final length of this sleeve is 80 mm. The thickness of the tubes is identical: 3 mm. The axes of the tubes are offset. The ends are not rounded.
Parameter Value Unit
side A length30mm
side A diameter80mm
side A thickness3mm
side B length30mm
side B diameter70mm
side B thickness3mm
transition length20mm
axis offset4.9mm
ends fillet0

📦 3D model #1238

1 object(s) - format STL
Tube adapter ⌀ 75–50 mm (Length: 100 mm)
Tube adapter ⌀ 75–50 mm (Length: 100 mm)
Tube adapter ⌀75 mm to ⌀50 mm in STL format. Length of this sleeve is 100 mm. The thickness of the tubes is identical: 2 mm. The axes of the tubes are off-center. The ends are not rounded.
Parameter Value Unit
side A length20mm
side A diameter75mm
side A thickness2mm
side B length20mm
side B diameter50mm
side B thickness2mm
transition length60mm
axis offset12.4mm
ends fillet0

📦 3D model #1188

1 object(s) - format STL
Tube adapter ⌀ 90–68 mm (Length: 90 mm)
Tube adapter ⌀ 90–68 mm (Length: 90 mm)
Inline tube coupler ⌀90 mm to ⌀68 mm in STL format. Length of this junction is 90 mm. The thickness of the tubes is identical: 2 mm. The axes of the tubes are offset. The ends are raw.
Parameter Value Unit
side A length15mm
side A diameter90mm
side A thickness2mm
side B length30mm
side B diameter68mm
side B thickness2mm
transition length45mm
axis offset10mm
ends fillet0

📦 3D model #1165

1 object(s) - format STL
Tube adapter ⌀ 85–60 mm (Length: 45 mm)
Tube adapter ⌀ 85–60 mm (Length: 45 mm)
Tube coupler ⌀85 mm to ⌀60 mm in STL format. Total length of this adapter is 45 mm. The thickness of the tubes is identical: 3 mm. The ends are raw.
Parameter Value Unit
side A length20mm
side A diameter85mm
side A thickness3mm
side B length20mm
side B diameter60mm
side B thickness3mm
transition length5mm
axis offset0mm
ends fillet0

📦 3D model #1230

1 object(s) - format STL
Tube adapter ⌀ 64–49 mm (Length: 65 mm)
Tube adapter ⌀ 64–49 mm (Length: 65 mm)
Inline tube adapter ⌀64 mm to ⌀49 mm in STL format. Final length of this coupler is 65 mm. The thickness of the larger diameter tube is 4 mm, and the smaller one is 3 mm. The ends are raw.
Parameter Value Unit
side A length25mm
side A diameter64mm
side A thickness4mm
side B length25mm
side B diameter49mm
side B thickness3mm
transition length15mm
axis offset0mm
ends fillet0

📦 3D model #1213

1 object(s) - format STL
Tube adapter ⌀ 80–75 mm (Length: 115 mm)
Tube adapter ⌀ 80–75 mm (Length: 115 mm)
Inline tube reducer ⌀80 mm to ⌀75 mm in STL format. Final length of this reducer is 115 mm. The thickness of the tubes is identical: 2 mm. The axes of the tubes are off-center. The ends are raw.
Parameter Value Unit
side A length50mm
side A diameter80mm
side A thickness2mm
side B length50mm
side B diameter75mm
side B thickness2mm
transition length15mm
axis offset2.4mm
ends fillet0

📦 3D model #1218

1 object(s) - format STL
Tube adapter ⌀ 80–75 mm (Length: 111 mm)
Tube adapter ⌀ 80–75 mm (Length: 111 mm)
Inline fitting ⌀80 mm to ⌀75 mm in STL format. Total length of this sleeve is 111 mm. The thickness of the tubes is identical: 2.5 mm. The axes of the tubes are offset. The ends have a fillet on the outside.
Parameter Value Unit
side A length46mm
side A diameter80mm
side A thickness2.5mm
side B length45mm
side B diameter75mm
side B thickness2.5mm
transition length20mm
axis offset2.4mm
ends fillet1

📦 3D model #1220

1 object(s) - format STL
Tube adapter ⌀ 80–75 mm (Length: 100 mm)
Tube adapter ⌀ 80–75 mm (Length: 100 mm)
Tube junction ⌀80 mm to ⌀75 mm in STL format. Final length of this adapter is 100 mm. The thickness of the tubes is identical: 2.5 mm. The axes of the tubes are offset. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length45mm
side A diameter80mm
side A thickness2.5mm
side B length45mm
side B diameter75mm
side B thickness2.5mm
transition length10mm
axis offset2.4mm
ends fillet1

📦 3D model #1219

1 object(s) - format STL
Tube adapter ⌀ 80–75 mm (Length: 101 mm)
Tube adapter ⌀ 80–75 mm (Length: 101 mm)
Diameter adapter ⌀80 mm to ⌀75 mm in STL format. Final length of this adapter is 101 mm. The thickness of the tubes is identical: 2.5 mm. The axes of the tubes are offset. The ends are rounded on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length46mm
side A diameter80mm
side A thickness2.5mm
side B length45mm
side B diameter75mm
side B thickness2.5mm
transition length10mm
axis offset2.4mm
ends fillet1