Tube adapter ⌀ 68–53 mm (Length: 65 mm) 📦#1232

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Tube reducer ⌀68 mm to ⌀53 mm in STL format. Total length of this adapter is 65 mm. The thickness of the larger diameter tube is 2 mm, and the smaller one is 4 mm. The ends are not rounded.
Generation date: 2025-07-20
3D Model Tube adapter ⌀ 68–53 mm (Length: 65 mm)

3D model download

Free
  • inline-tube-adapter-lenA25mm-d_model1232-nb0_dd{id}.stl : 3.5 Mo
STL Mesh quality : not defined
(attribution - commercial use allowed)

Values for this model

This model was generated by the Inline tube adapter template, with the following values:
Parameter Value
#1 side A length 25 mm
#2 side A outer diameter 68 mm
#3 side A thickness 2 mm
#4 side B length 25 mm
#5 side B outer diameter 53 mm
#6 side B thickness 4 mm
#7 transition length 15 mm
#8 axis offset 0 mm
#9 ends fillet no fillet
illustration of the parameters
Representation of the parameters

Labels are used in the naming of the downloaded 3D files.

Parameter Label
#1 side A length lenA
#2 side A outer diameter diA
#3 side A thickness thA
#4 side B length lenB
#5 side B outer diameter diB
#6 side B thickness thB
#7 transition length tra
#8 axis offset ofs
#9 ends fillet fil

Related 3D models

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

Tube adapter ⌀ 80–50 mm (Length: 80 mm) (📦 #1575)

1 object(s) - format STL
Inline tube reducer ⌀80 mm to ⌀50 mm in STL format. Total length of this adapter is 80 mm. The thickness of the tubes is identical: 2.5 mm. The ends have no fillet.
Parameter Value Unit
side A length30mm
side A outer diameter80mm
side A thickness2.5mm
side B length30mm
side B outer diameter50mm
side B thickness2.5mm
transition length20mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 76–50 mm (Length: 80 mm) (📦 #1439)

1 object(s) - format STL
Tube adapter ⌀76 mm to ⌀50 mm in STL format. Length of this reducer is 80 mm. The thickness of the tubes is identical: 3 mm. The ends are not rounded.
Parameter Value Unit
side A length30mm
side A outer diameter76mm
side A thickness3mm
side B length30mm
side B outer diameter50mm
side B thickness3mm
transition length20mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 60–45 mm (Length: 75 mm) (📦 #1234)

1 object(s) - format STL
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 outer diameter60mm
side A thickness3mm
side B length30mm
side B outer diameter45mm
side B thickness3mm
transition length15mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 80–50 mm (Length: 80 mm) (📦 #1163)

1 object(s) - format STL
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 outer diameter80mm
side A thickness3mm
side B length30mm
side B outer diameter50mm
side B thickness3mm
transition length20mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 85–60 mm (Length: 45 mm) (📦 #1165)

1 object(s) - format STL
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 outer diameter85mm
side A thickness3mm
side B length20mm
side B outer diameter60mm
side B thickness3mm
transition length5mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 100–40 mm (Length: 80 mm) (📦 #1578)

1 object(s) - format STL
Tube connector ⌀100 mm to ⌀40 mm in STL format. Final length of this junction is 80 mm. The thickness of the tubes is identical: 2.5 mm. The ends are raw.
Parameter Value Unit
side A length30mm
side A outer diameter100mm
side A thickness2.5mm
side B length30mm
side B outer diameter40mm
side B thickness2.5mm
transition length20mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 80–30 mm (Length: 80 mm) (📦 #1587)

1 object(s) - format STL
Inline sleeve ⌀80 mm to ⌀30 mm in STL format. Final length of this connector is 80 mm. The thickness of the tubes is identical: 3 mm. The ends are not rounded.
Parameter Value Unit
side A length30mm
side A outer diameter80mm
side A thickness3mm
side B length30mm
side B outer diameter30mm
side B thickness3mm
transition length20mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 80–70 mm (Length: 80 mm) (📦 #1166)

1 object(s) - format STL (4.5/5) 2 vote(s)
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 outer diameter80mm
side A thickness3mm
side B length30mm
side B outer diameter70mm
side B thickness3mm
transition length20mm
axis offset4.9mm
ends fillet0

Tube adapter ⌀ 85–70 mm (Length: 80 mm) (📦 #1321)

1 object(s) - format STL
Diameter adapter ⌀85 mm to ⌀70 mm in STL format. Length of this junction is 80 mm. The thickness of the tubes is identical: 3 mm. The axes of the tubes are off-center. The ends have no fillet.
Parameter Value Unit
side A length30mm
side A outer diameter85mm
side A thickness3mm
side B length30mm
side B outer diameter70mm
side B thickness3mm
transition length20mm
axis offset7.4mm
ends fillet0

Tube adapter ⌀ 81–55 mm (Length: 80 mm) (📦 #1440)

1 object(s) - format STL
Diameter adapter ⌀81 mm to ⌀55 mm in STL format. Final length of this adapter is 80 mm. The thickness of the tubes is identical: 2.5 mm. The ends feature an external fillet.
Parameter Value Unit
side A length25mm
side A outer diameter81mm
side A thickness2.5mm
side B length25mm
side B outer diameter55mm
side B thickness2.5mm
transition length30mm
axis offset0mm
ends fillet1

Tube adapter ⌀ 85–65 mm (Length: 111 mm) (📦 #1690)

1 object(s) - format STL
Inline tube junction ⌀85 mm to ⌀65 mm in STL format. Total length of this reducer is 111 mm. The thickness of the tubes is identical: 3 mm. The ends are raw.
Parameter Value Unit
side A length45mm
side A outer diameter85mm
side A thickness3mm
side B length45mm
side B outer diameter65mm
side B thickness3mm
transition length21mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 70–69 mm (Length: 50 mm) (📦 #1394)

1 object(s) - format STL
Tube adapter ⌀70 mm to ⌀69 mm in STL format. Total length of this adapter is 50 mm. The thickness of the tubes is identical: 2 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length20mm
side A outer diameter70mm
side A thickness2mm
side B length20mm
side B outer diameter69mm
side B thickness2mm
transition length10mm
axis offset0mm
ends fillet1

Tube adapter ⌀ 56–50 mm (Length: 120 mm) (📦 #1493)

1 object(s) - format STL (5.0/5) 1 vote(s)
Straight sleeve ⌀56 mm to ⌀50 mm in STL format. Final length of this reducer is 120 mm. The thickness of the tubes is identical: 2 mm. The ends are not rounded.
Parameter Value Unit
side A length50mm
side A outer diameter56mm
side A thickness2mm
side B length50mm
side B outer diameter50mm
side B thickness2mm
transition length20mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 30–26 mm (Length: 50 mm) (📦 #1109)

1 object(s) - format STL (3.5/5) 2 vote(s)
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 outer diameter30mm
side A thickness2mm
side B length30mm
side B outer diameter26mm
side B thickness2mm
transition length5mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 60–40 mm (Length: 85 mm) (📦 #1123)

1 object(s) - format STL
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 outer diameter60mm
side A thickness3mm
side B length40mm
side B outer diameter40mm
side B thickness3mm
transition length5mm
axis offset1mm
ends fillet1

Tube adapter ⌀ 66–41 mm (Length: 90 mm) (📦 #1793)

1 object(s) - format STL
Inline tube reducer ⌀66 mm to ⌀41 mm in STL format. Final length of this coupler is 90 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 length40mm
side A outer diameter66mm
side A thickness2mm
side B length45mm
side B outer diameter41mm
side B thickness2mm
transition length5mm
axis offset0mm
ends fillet1

Tube adapter ⌀ 32–25 mm (Length: 25 mm) (📦 #1103)

1 object(s) - format STL (5.0/5) 1 vote(s)
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 outer diameter32mm
side A thickness2mm
side B length10mm
side B outer diameter25mm
side B thickness2mm
transition length5mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 69–65 mm (Length: 100 mm) (📦 #1393)

1 object(s) - format STL
Inline sleeve ⌀69 mm to ⌀65 mm in STL format. Total length of this fitting is 100 mm. The thickness of the tubes is identical: 2 mm. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length40mm
side A outer diameter69mm
side A thickness2mm
side B length50mm
side B outer diameter65mm
side B thickness2mm
transition length10mm
axis offset0mm
ends fillet1

Tube adapter ⌀ 33–26 mm (Length: 50 mm) (📦 #1526)

1 object(s) - format STL
Straight tube adapter ⌀33 mm to ⌀26 mm in STL format. Final length of this junction is 50 mm. The thickness of the larger diameter tube is 2.8 mm, and the smaller one is 2 mm. The ends have no fillet.
Parameter Value Unit
side A length15mm
side A outer diameter33mm
side A thickness2.8mm
side B length20mm
side B outer diameter26mm
side B thickness2mm
transition length15mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 80–75 mm (Length: 115 mm) (📦 #1213)

1 object(s) - format STL
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 outer diameter80mm
side A thickness2mm
side B length50mm
side B outer diameter75mm
side B thickness2mm
transition length15mm
axis offset2.4mm
ends fillet0

Tube adapter ⌀ 44–16 mm (Length: 90 mm) (📦 #1270)

1 object(s) - format STL
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 outer diameter44mm
side A thickness2.5mm
side B length30mm
side B outer diameter16mm
side B thickness2mm
transition length30mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 61–15 mm (Length: 80 mm) (📦 #1326)

1 object(s) - format STL
Tube fitting ⌀61 mm to ⌀15 mm in STL format. Total length of this sleeve is 80 mm. The thickness of the tubes is identical: 2 mm. The ends are not rounded.
Parameter Value Unit
side A length20mm
side A outer diameter61mm
side A thickness2mm
side B length20mm
side B outer diameter15mm
side B thickness2mm
transition length40mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 45–15 mm (Length: 90 mm) (📦 #1272)

1 object(s) - format STL
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 outer diameter45mm
side A thickness2.5mm
side B length30mm
side B outer diameter15mm
side B thickness2mm
transition length30mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 80–75 mm (Length: 100 mm) (📦 #1220)

1 object(s) - format STL
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 outer diameter80mm
side A thickness2.5mm
side B length45mm
side B outer diameter75mm
side B thickness2.5mm
transition length10mm
axis offset2.4mm
ends fillet1

Tube adapter ⌀ 77–50 mm (Length: 125 mm) (📦 #1555)

1 object(s) - format STL
Straight tube connector ⌀77 mm to ⌀50 mm in STL format. Total length of this reducer is 125 mm. The thickness of the tubes is identical: 2.5 mm. The ends have a fillet on the outside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length45mm
side A outer diameter77mm
side A thickness2.5mm
side B length40mm
side B outer diameter50mm
side B thickness2.5mm
transition length40mm
axis offset0mm
ends fillet1

Tube adapter ⌀ 77–50 mm (Length: 125 mm) (📦 #1556)

1 object(s) - format STL
Inline tube adapter ⌀77 mm to ⌀50 mm in STL format. Length of this sleeve is 125 mm. The thickness of the tubes is identical: 2.5 mm. The two axes of the tubes are off-center. The ends feature an external fillet to facilitate the connection of the two tubes.
Parameter Value Unit
side A length45mm
side A outer diameter77mm
side A thickness2.5mm
side B length40mm
side B outer diameter50mm
side B thickness2.5mm
transition length40mm
axis offset1mm
ends fillet1

Tube adapter ⌀ 80–75 mm (Length: 101 mm) (📦 #1219)

1 object(s) - format STL
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 outer diameter80mm
side A thickness2.5mm
side B length45mm
side B outer diameter75mm
side B thickness2.5mm
transition length10mm
axis offset2.4mm
ends fillet1

Tube adapter ⌀ 80–75 mm (Length: 111 mm) (📦 #1218)

1 object(s) - format STL
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 outer diameter80mm
side A thickness2.5mm
side B length45mm
side B outer diameter75mm
side B thickness2.5mm
transition length20mm
axis offset2.4mm
ends fillet1

Tube adapter ⌀ 68–53 mm (Length: 65 mm) (📦 #1233)

1 object(s) - format STL
Inline tube adapter ⌀68 mm to ⌀53 mm in STL format. Final length of this reducer is 65 mm. The thickness of the tubes is identical: 4 mm. The ends have no fillet.
Parameter Value Unit
side A length25mm
side A outer diameter68mm
side A thickness4mm
side B length25mm
side B outer diameter53mm
side B thickness4mm
transition length15mm
axis offset0mm
ends fillet0

Tube adapter ⌀ 68–52 mm (Length: 65 mm) (📦 #1231)

1 object(s) - format STL
Tube adapter ⌀68 mm to ⌀52 mm in STL format. Length of this coupler is 65 mm. The thickness of the tubes is identical: 4 mm. The ends are not rounded.
Parameter Value Unit
side A length25mm
side A outer diameter68mm
side A thickness4mm
side B length25mm
side B outer diameter52mm
side B thickness4mm
transition length15mm
axis offset0mm
ends fillet0