Custom Tube adapter STL file ⌀ 203–160 mm (Length: 150 mm) 📦#9214

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Tubing reducer ⌀203 mm to ⌀160 mm in STL format. Total length of this connector is 150 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 50 mm as well. The ends feature an external fillet to ease the connection.
Generation date: 2026-05-29
3D Model Tube adapter STL file ⌀ 203–160 mm (Length: 150 mm)

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  • inline-tube-adapter-lenA50mm-d_model9214-nb0_dd{id}.stl : 8.5 Mo
STL Mesh quality : Linear deflection 0.05 Angular deflection 0.05
No compliance warranty No compliance warranty
(attribution - commercial use allowed)
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Values for this model

This model was generated by the Inline tube adapter template, with the following values:
Parameter Value
#1 side A length 50 mm (≃1.97 in)
#2 side A outer diameter 203 mm (≃8 in)
#3 side A thickness 3 mm (≃1/8 in)
#4 side B length 50 mm (≃1.97 in)
#5 side B outer diameter 160 mm (≃6 5/16 in)
#6 side B thickness 3 mm (≃1/8 in)
#7 transition length 50 mm (≃1.97 in)
#8 axis offset 0 mm (0 in)
#9 ends fillet fillet on the outside
Metadata Value
inner diameter (side A) 197 mm (≃7 3/4 in)
inner diameter (side B) 154 mm (≃6 1/16 in)
total length 150 mm (≃5.91 in)
illustration of the parameters
Parameter overview

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

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

Tube adapter STL file ⌀ 199–149 mm (Length: 150 mm) (📦 #9105)

1 object(s) - format STL
Tube adapter STL file ⌀ 199–149 mm (Length: 150 mm)
Tubing reducer ⌀199 mm to ⌀149 mm in STL format. Total length of this coupler is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 199 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 149 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 200–150 mm (Length: 140 mm) (📦 #9073)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 200–150 mm (Length: 140 mm)
Inline tube coupler ⌀200 mm to ⌀150 mm in STL format. Length of this junction is 140 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 200 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 150 mm
side B thickness 2 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 180–150 mm (Length: 120 mm) (📦 #9110)

1 object(s) - format STL
Tubing adapter STL file ⌀ 180–150 mm (Length: 120 mm)
Straight tube fitting ⌀180 mm to ⌀150 mm in STL 3D format. Final length of this junction is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 30 mm. The ends have a fillet on the inside.
Parameter Value Unit
side A length 50 mm
side A outer diameter 180 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 150 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 180–152 mm (Length: 159 mm) (📦 #7551)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 180–152 mm (Length: 159 mm)
Diameter adapter ⌀180 mm to ⌀152 mm in STL format. Length of this connector is 159 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 55 mm. The ends are rounded on the inside to ease the connection.
Parameter Value Unit
side A length 50 mm
side A outer diameter 180 mm
side A thickness 2 mm
side B length 55 mm
side B outer diameter 152 mm
side B thickness 2 mm
transition length 54 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 184–156 mm (Length: 110 mm) (📦 #9702)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 184–156 mm (Length: 110 mm)
Inline tube adapter ⌀184 mm to ⌀156 mm in STL 3D format. Final length of this connector is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 30 mm as well. The ends have a fillet on the inside.
Parameter Value Unit
side A length 30 mm
side A outer diameter 184 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 156 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 184–151 mm (Length: 110 mm) (📦 #9676)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 184–151 mm (Length: 110 mm)
Tube connector ⌀184 mm to ⌀151 mm in STL 3D format. Final length of this adapter is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 30 mm as well. The ends are rounded on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 184 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 151 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 206–147 mm (Length: 105 mm) (📦 #4871)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 206–147 mm (Length: 105 mm)
Tube junction ⌀206 mm to ⌀147 mm in STL format. Total length of this fitting is 105 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 25 mm, the smaller one of 40 mm. The ends are raw.
Parameter Value Unit
side A length 25 mm
side A outer diameter 206 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 147 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 184–150 mm (Length: 110 mm) (📦 #9675)

1 object(s) - format STL
Tubing adapter STL file ⌀ 184–150 mm (Length: 110 mm)
Tube adapter ⌀184 mm to ⌀150 mm in STL format. Total length of this connector is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends are rounded on the inside to facilitate the connection of the two tubes.
Parameter Value Unit
side A length 30 mm
side A outer diameter 184 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 150 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL 3D file ⌀ 205–165 mm (Length: 180 mm) (📦 #3159)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 205–165 mm (Length: 180 mm)
Inline sleeve ⌀205 mm to ⌀165 mm in STL 3D format. Final length of this junction is 180 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 50 mm as well. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 205 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 165 mm
side B thickness 3 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 200–165 mm (Length: 120 mm) (📦 #4822)

1 object(s) - format STL
Tube adapter STL file ⌀ 200–165 mm (Length: 120 mm)
Inline sleeve ⌀200 mm to ⌀165 mm in STL 3D format. Length of this sleeve is 120 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 50 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 50 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 165 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 178–146 mm (Length: 110 mm) (📦 #9672)

1 object(s) - format STL
Tube adapter STL file ⌀ 178–146 mm (Length: 110 mm)
Tube connector ⌀178 mm to ⌀146 mm in STL format. Final length of this fitting is 110 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 30 mm as well. The ends are rounded on the inside to make tube connection easier.
Parameter Value Unit
side A length 30 mm
side A outer diameter 178 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 146 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 211–171 mm (Length: 180 mm) (📦 #3214)

1 object(s) - format STL
Tubing adapter STL file ⌀ 211–171 mm (Length: 180 mm)
Inline tube coupler ⌀211 mm to ⌀171 mm in STL 3D format. Total length of this fitting is 180 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 50 mm as well. The ends are raw.
Parameter Value Unit
side A length 50 mm
side A outer diameter 211 mm
side A thickness 3 mm
side B length 50 mm
side B outer diameter 171 mm
side B thickness 3 mm
transition length 80 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 206–146 mm (Length: 94 mm) (📦 #4838)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 206–146 mm (Length: 94 mm)
Tubing adapter ⌀206 mm to ⌀146 mm in STL format. Total length of this junction is 94 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 25 mm, the smaller one of 28 mm. The ends have no fillet.
Parameter Value Unit
side A length 25 mm
side A outer diameter 206 mm
side A thickness 3 mm
side B length 28 mm
side B outer diameter 146 mm
side B thickness 3 mm
transition length 41 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 158–148 mm (Length: 135 mm) (📦 #7903)

1 object(s) - format STL
Tube adapter STL file ⌀ 158–148 mm (Length: 135 mm)
Inline tube adapter ⌀158 mm to ⌀148 mm in STL 3D format. Final length of this sleeve is 135 mm. The thickness of the tubes is identical: 4 mm. The larger-diameter tube has a sleeve length of 35 mm, the smaller one of 50 mm. The ends are raw.
Parameter Value Unit
side A length 35 mm
side A outer diameter 158 mm
side A thickness 4 mm
side B length 50 mm
side B outer diameter 148 mm
side B thickness 4 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 198–153 mm (Length: 110 mm) (📦 #8387)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 198–153 mm (Length: 110 mm)
Straight tube fitting ⌀198 mm to ⌀153 mm in STL format. Total length of this reducer is 110 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 40 mm, the smaller one of 20 mm. The ends are not rounded.
Parameter Value Unit
side A length 40 mm
side A outer diameter 198 mm
side A thickness 2 mm
side B length 20 mm
side B outer diameter 153 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 162–137 mm (Length: 124 mm) (📦 #9383)

1 object(s) - format STL
Tube adapter STL file ⌀ 162–137 mm (Length: 124 mm)
Inline tubing adapter ⌀162 mm to ⌀137 mm in STL 3D format. Total length of this sleeve is 124 mm. The larger-diameter tube has a thickness of 3 mm and a length of 50 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 49 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 162 mm
side A thickness 3 mm
side B length 49 mm
side B outer diameter 137 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 203–116 mm (Length: 120 mm) (📦 #10059)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 203–116 mm (Length: 120 mm)
Tube fitting ⌀203 mm to ⌀116 mm in STL 3D format. Final length of this reducer is 120 mm. The larger-diameter tube has a thickness of 3 mm and a length of 30 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 40 mm. The ends are not rounded.
Parameter Value Unit
side A length 30 mm
side A outer diameter 203 mm
side A thickness 3 mm
side B length 40 mm
side B outer diameter 116 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 198–154 mm (Length: 90 mm) (📦 #8386)

1 object(s) - format STL
Tube adapter STL file ⌀ 198–154 mm (Length: 90 mm)
Inline tubing adapter ⌀198 mm to ⌀154 mm in STL 3D format. Total length of this adapter is 90 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 20 mm as well. The ends are not rounded.
Parameter Value Unit
side A length 20 mm
side A outer diameter 198 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 154 mm
side B thickness 3 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 163–154 mm (Length: 100 mm) (📦 #2657)

1 object(s) - format STL
Tubing adapter STL file ⌀ 163–154 mm (Length: 100 mm)
Inline tube coupler ⌀163 mm to ⌀154 mm in STL 3D format. Length of this sleeve is 100 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a length of 50 mm, the smaller one of 40 mm. The ends are rounded on the outside to ease the connection.
Parameter Value Unit
side A length 50 mm
side A outer diameter 163 mm
side A thickness 2.5 mm
side B length 40 mm
side B outer diameter 154 mm
side B thickness 2.5 mm
transition length 10 mm
axis offset 0 mm
ends fillet fillet on th...

Tubing adapter STL file ⌀ 205–116 mm (Length: 120 mm) (📦 #10058)

1 object(s) - format STL
Tubing adapter STL file ⌀ 205–116 mm (Length: 120 mm)
Inline sleeve ⌀205 mm to ⌀116 mm in STL 3D format. Length of this coupler is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 40 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 205 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 116 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL file ⌀ 202–150 mm (Length: 80 mm) (📦 #9332)

1 object(s) - format STL
Tube adapter STL file ⌀ 202–150 mm (Length: 80 mm)
Straight tube coupler ⌀202 mm to ⌀150 mm in STL 3D format. Final length of this sleeve is 80 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 20 mm as well. The ends are raw.
Parameter Value Unit
side A length 20 mm
side A outer diameter 202 mm
side A thickness 3 mm
side B length 20 mm
side B outer diameter 150 mm
side B thickness 3 mm
transition length 40 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL 3D file ⌀ 164–124 mm (Length: 130 mm) (📦 #5755)

1 object(s) - format STL
Tubing adapter STL 3D file ⌀ 164–124 mm (Length: 130 mm)
Tube fitting ⌀164 mm to ⌀124 mm in STL 3D format. Total length of this sleeve is 130 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 50 mm, the smaller one of 50 mm as well. The ends have a fillet on the inside to make tube connection easier.
Parameter Value Unit
side A length 50 mm
side A outer diameter 164 mm
side A thickness 2 mm
side B length 50 mm
side B outer diameter 124 mm
side B thickness 2 mm
transition length 30 mm
axis offset 0 mm
ends fillet fillet on th...

Tube adapter STL 3D file ⌀ 200–180 mm (Length: 80 mm) (📦 #1161)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 200–180 mm (Length: 80 mm)
Tube reducer ⌀200 mm to ⌀180 mm in STL format. Final length of this fitting is 80 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 30 mm as well. The ends have no fillet.
Parameter Value Unit
side A length 30 mm
side A outer diameter 200 mm
side A thickness 3 mm
side B length 30 mm
side B outer diameter 180 mm
side B thickness 3 mm
transition length 20 mm
axis offset 0 mm
ends fillet no fillet

Tube adapter STL 3D file ⌀ 205–114 mm (Length: 120 mm) (📦 #10057)

1 object(s) - format STL
Tube adapter STL 3D file ⌀ 205–114 mm (Length: 120 mm)
Tube junction ⌀205 mm to ⌀114 mm in STL format. Final length of this sleeve is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 30 mm, the smaller one of 40 mm. The ends are raw.
Parameter Value Unit
side A length 30 mm
side A outer diameter 205 mm
side A thickness 2 mm
side B length 40 mm
side B outer diameter 114 mm
side B thickness 2 mm
transition length 50 mm
axis offset 0 mm
ends fillet no fillet

Tubing adapter STL file ⌀ 159–125 mm (Length: 124 mm) (📦 #9385)

1 object(s) - format STL
Tubing adapter STL file ⌀ 159–125 mm (Length: 124 mm)
Straight tube coupler ⌀159 mm to ⌀125 mm in STL format. Final length of this sleeve is 124 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 50 mm. The smaller-diameter tube has a thickness of 2 mm and a length of 49 mm. The ends are not rounded.
Parameter Value Unit
side A length 50 mm
side A outer diameter 159 mm
side A thickness 3 mm
side B length 49 mm
side B outer diameter 125 mm
side B thickness 2 mm
transition length 25 mm
axis offset 0 mm
ends fillet no fillet