Inline tube adapter 3D models
First model: 2025-06-16
Number of 3D models generated: 1673
Category: technical parts
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(model #1231)
Photos of various 3D printed models
This template generates tube adapters, with one inlet and one outlet (each of which can be considered either male or female).
Both tube ends are customizable. It is possible to offset the two connectors. Likewise, each end can feature a thread on the outside, inside, both, or none.
Internal fillets are always integrated into the adapter to optimize the flow through the transition zone.
Note that a clearance is always required: a tube with an outer diameter of 50 mm will not fit into a tube with an inner diameter of 50 mm (even more so with 3D printing).
Strictly speaking, this template can also be used to create custom funnels, such as model #1342.
Find more information about this template in the article A new template for inline tube adapters! .
Keywords: tube adapter, fitting, reducer, connector, coupling, sleeve, straight adapter, diameter adapter, pipe adapter, tube junction, inline fitting
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Additional information
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.
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2025-07-19 (last model before revision: #1215) :
#1 side A length : decimal places has been updated to integer
#2 side A diameter : decimal places has been updated to integer
#4 side B length : decimal places has been updated to integer
#5 side B diameter : decimal places has been updated to integer
#7 transition length : decimal places has been updated to integer
Illustration of the parameters
Categories
The latest online-generated models
Tubing adapter STL 3D file ⌀ 100–62 mm (Length: 120 mm) (📦 #11369)
1 object(s) - format STL
Straight tubing adapter ⌀100 mm to ⌀62 mm in STL 3D format. Final length of this connector is 120 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 60 mm, the smaller one of 50 mm. The ends are not rounded.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 60 | mm |
| side A outer diameter | 100 | mm |
| side A thickness | 2 | mm |
| side B length | 50 | mm |
| side B outer diameter | 62 | mm |
| side B thickness | 2 | mm |
| transition length | 10 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tube adapter STL 3D file ⌀ 100–70 mm (Length: 120 mm) (📦 #11367)
1 object(s) - format STL
Inline tube reducer ⌀100 mm to ⌀70 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 sleeve length of 60 mm, the smaller one of 50 mm. The ends are raw.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 60 | mm |
| side A outer diameter | 100 | mm |
| side A thickness | 2 | mm |
| side B length | 50 | mm |
| side B outer diameter | 70 | mm |
| side B thickness | 2 | mm |
| transition length | 10 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL 3D file ⌀ 125–90 mm (Length: 100 mm) (📦 #11354)
1 object(s) - format STL
Inline tube junction ⌀125 mm to ⌀90 mm in STL format. Final length of this coupler is 100 mm. The larger-diameter tube has a thickness of 5 mm and a length of 40 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 40 mm as well. The ends are raw.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 40 | mm |
| side A outer diameter | 125 | mm |
| side A thickness | 5 | mm |
| side B length | 40 | mm |
| side B outer diameter | 90 | mm |
| side B thickness | 4 | mm |
| transition length | 20 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tube adapter STL file ⌀ 146–109 mm (Length: 220 mm) (📦 #11351)
1 object(s) - format STL
Tube reducer ⌀146 mm to ⌀109 mm in STL 3D format. Final length of this reducer is 220 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 60 mm, the smaller one of 60 mm as well. The ends are raw.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 60 | mm |
| side A outer diameter | 146 | mm |
| side A thickness | 3 | mm |
| side B length | 60 | mm |
| side B outer diameter | 109 | mm |
| side B thickness | 3 | mm |
| transition length | 100 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL file ⌀ 120–42 mm (Length: 70 mm) (📦 #11334)
1 object(s) - format STL
Inline sleeve ⌀120 mm to ⌀42 mm in STL 3D format. Total length of this fitting is 70 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends are rounded.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 20 | mm |
| side A outer diameter | 120 | mm |
| side A thickness | 5 | mm |
| side B length | 20 | mm |
| side B outer diameter | 42 | mm |
| side B thickness | 5 | mm |
| transition length | 30 | mm |
| axis offset | 0 | mm |
| ends fillet | fillet on bo... |
Tubing adapter STL 3D file ⌀ 120–77 mm (Length: 70 mm) (📦 #11333)
1 object(s) - format STL
Inline tubing adapter ⌀120 mm to ⌀77 mm in STL 3D format. Total length of this adapter is 70 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 20 mm as well. The ends have a fillet.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 20 | mm |
| side A outer diameter | 120 | mm |
| side A thickness | 5 | mm |
| side B length | 20 | mm |
| side B outer diameter | 77 | mm |
| side B thickness | 5 | mm |
| transition length | 30 | mm |
| axis offset | 0 | mm |
| ends fillet | fillet on bo... |
Tubing adapter STL 3D file ⌀ 110–42 mm (Length: 70 mm) (📦 #11331)
1 object(s) - format STL
Straight tube coupler ⌀110 mm to ⌀42 mm in STL format. Total length of this adapter is 70 mm. The thickness of the tubes is identical: 5 mm. The larger-diameter tube has a length of 20 mm, the smaller one of 20 mm as well. The ends are rounded to make tube connection easier.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 20 | mm |
| side A outer diameter | 110 | mm |
| side A thickness | 5 | mm |
| side B length | 20 | mm |
| side B outer diameter | 42 | mm |
| side B thickness | 5 | mm |
| transition length | 30 | mm |
| axis offset | 0 | mm |
| ends fillet | fillet on bo... |
Tubing adapter STL file ⌀ 100–70 mm (Length: 90 mm) (📦 #11309)
1 object(s) - format STL
Straight tube adapter ⌀100 mm to ⌀70 mm in STL format. Total length of this adapter is 90 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 60 mm, the smaller one of 20 mm. The ends are not rounded.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 60 | mm |
| side A outer diameter | 100 | mm |
| side A thickness | 2 | mm |
| side B length | 20 | mm |
| side B outer diameter | 70 | mm |
| side B thickness | 2 | mm |
| transition length | 10 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL file ⌀ 156–100 mm (Length: 208 mm) (📦 #11300)
1 object(s) - format STL
Tube connector ⌀156 mm to ⌀100 mm in STL 3D format. Final length of this sleeve is 208 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 23 mm, the smaller one of 35 mm. The two axes of the tubes are offset by 27.9 mm. The ends have no fillet.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 23 | mm |
| side A outer diameter | 156 | mm |
| side A thickness | 2 | mm |
| side B length | 35 | mm |
| side B outer diameter | 100 | mm |
| side B thickness | 2 | mm |
| transition length | 150 | mm |
| axis offset | 27.9 | mm |
| ends fillet | no fillet |
Tube adapter STL 3D file ⌀ 156–100 mm (Length: 208 mm) (📦 #11299)
1 object(s) - format STL
Straight tube fitting ⌀156 mm to ⌀100 mm in STL 3D format. Final length of this adapter is 208 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 23 mm, the smaller one of 35 mm. The axes of the tubes are off-center by 22 mm. The ends have no fillet.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 23 | mm |
| side A outer diameter | 156 | mm |
| side A thickness | 2 | mm |
| side B length | 35 | mm |
| side B outer diameter | 100 | mm |
| side B thickness | 2 | mm |
| transition length | 150 | mm |
| axis offset | 22 | mm |
| ends fillet | no fillet |
Tubing adapter STL 3D file ⌀ 125–90 mm (Length: 75 mm) (📦 #11297)
1 object(s) - format STL
Tubing adapter ⌀125 mm to ⌀90 mm in STL 3D format. Length of this fitting is 75 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 30 mm, the smaller one of 40 mm. The ends have no fillet.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 30 | mm |
| side A outer diameter | 125 | mm |
| side A thickness | 2 | mm |
| side B length | 40 | mm |
| side B outer diameter | 90 | mm |
| side B thickness | 2 | mm |
| transition length | 5 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL file ⌀ 39–35 mm (Length: 40 mm) (📦 #11280)
1 object(s) - format STL
Tube junction ⌀39 mm to ⌀35 mm in STL 3D format. Total length of this coupler is 40 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 15 mm as well. The ends feature a fillet to make tube connection easier.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 15 | mm |
| side A outer diameter | 39 | mm |
| side A thickness | 3 | mm |
| side B length | 15 | mm |
| side B outer diameter | 35 | mm |
| side B thickness | 3 | mm |
| transition length | 10 | mm |
| axis offset | 0 | mm |
| ends fillet | fillet on bo... |
Tube adapter STL file ⌀ 39–35 mm (Length: 45 mm) (📦 #11279)
1 object(s) - format STL
Inline tube adapter ⌀39 mm to ⌀35 mm in STL 3D format. Length of this sleeve is 45 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 10 mm, the smaller one of 20 mm. The ends feature a fillet to make tube connection easier.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 10 | mm |
| side A outer diameter | 39 | mm |
| side A thickness | 3 | mm |
| side B length | 20 | mm |
| side B outer diameter | 35 | mm |
| side B thickness | 3 | mm |
| transition length | 15 | mm |
| axis offset | 0 | mm |
| ends fillet | fillet on bo... |
Tube adapter STL 3D file ⌀ 140–75 mm (Length: 20 mm) (📦 #11235)
1 object(s) - format STL
Straight sleeve ⌀140 mm to ⌀75 mm in STL format. Total length of this sleeve is 20 mm. The larger-diameter tube has a thickness of 3 mm and a sleeve length of 7 mm. The smaller-diameter tube has a thickness of 4 mm and a length of 7 mm as well. The ends are not rounded.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 7 | mm |
| side A outer diameter | 140 | mm |
| side A thickness | 3 | mm |
| side B length | 7 | mm |
| side B outer diameter | 75 | mm |
| side B thickness | 4 | mm |
| transition length | 6 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tube adapter STL file ⌀ 75–38 mm (Length: 77 mm) (📦 #11226)
1 object(s) - format STL
Straight tube connector ⌀75 mm to ⌀38 mm in STL 3D format. Final length of this junction is 77 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 35 mm as well. The ends have no fillet.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 35 | mm |
| side A outer diameter | 75 | mm |
| side A thickness | 4 | mm |
| side B length | 35 | mm |
| side B outer diameter | 38 | mm |
| side B thickness | 4 | mm |
| transition length | 7 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL file ⌀ 56–34 mm (Length: 95 mm) (📦 #11221)
1 object(s) - format STL
Straight tube connector ⌀56 mm to ⌀34 mm in STL format. Length of this connector is 95 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 35 mm. The ends have no fillet.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 30 | mm |
| side A outer diameter | 56 | mm |
| side A thickness | 3 | mm |
| side B length | 35 | mm |
| side B outer diameter | 34 | mm |
| side B thickness | 3 | mm |
| transition length | 30 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tube adapter STL 3D file ⌀ 110–100 mm (Length: 150 mm) (📦 #11217)
1 object(s) - format STL
Tube fitting ⌀110 mm to ⌀100 mm in STL format. Length of this sleeve is 150 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a length of 70 mm, the smaller one of 70 mm as well. The ends are raw.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 70 | mm |
| side A outer diameter | 110 | mm |
| side A thickness | 2 | mm |
| side B length | 70 | mm |
| side B outer diameter | 100 | mm |
| side B thickness | 2 | mm |
| transition length | 10 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL file ⌀ 73–38 mm (Length: 77 mm) (📦 #11216)
1 object(s) - format STL
Straight tubing adapter ⌀73 mm to ⌀38 mm in STL format. Total length of this adapter is 77 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 35 mm as well. The ends are raw.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 35 | mm |
| side A outer diameter | 73 | mm |
| side A thickness | 4 | mm |
| side B length | 35 | mm |
| side B outer diameter | 38 | mm |
| side B thickness | 4 | mm |
| transition length | 7 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL file ⌀ 73–39 mm (Length: 75 mm) (📦 #11213)
1 object(s) - format STL
Straight tube fitting ⌀73 mm to ⌀39 mm in STL format. Length of this sleeve is 75 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 35 mm, the smaller one of 35 mm as well. The ends have no fillet.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 35 | mm |
| side A outer diameter | 73 | mm |
| side A thickness | 3 | mm |
| side B length | 35 | mm |
| side B outer diameter | 39 | mm |
| side B thickness | 3 | mm |
| transition length | 5 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tube adapter STL file ⌀ 73–39 mm (Length: 25 mm) (📦 #11210)
1 object(s) - format STL
Tubing adapter ⌀73 mm to ⌀39 mm in STL 3D format. Length of this coupler is 25 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 10 mm, the smaller one of 10 mm as well. The ends are not rounded.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 10 | mm |
| side A outer diameter | 73 | mm |
| side A thickness | 3 | mm |
| side B length | 10 | mm |
| side B outer diameter | 39 | mm |
| side B thickness | 3 | mm |
| transition length | 5 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL 3D file ⌀ 75–42 mm (Length: 25 mm) (📦 #11206)
1 object(s) - format STL
Tube coupler ⌀75 mm to ⌀42 mm in STL 3D format. Total length of this fitting is 25 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 10 mm, the smaller one of 10 mm as well. The ends are raw.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 10 | mm |
| side A outer diameter | 75 | mm |
| side A thickness | 3 | mm |
| side B length | 10 | mm |
| side B outer diameter | 42 | mm |
| side B thickness | 3 | mm |
| transition length | 5 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL file ⌀ 67–32 mm (Length: 50 mm) (📦 #11202)
1 object(s) - format STL
Tube fitting ⌀67 mm to ⌀32 mm in STL 3D format. Final length of this reducer is 50 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 15 mm as well. The axes of the tubes are offset by 15 mm. The ends have no fillet.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 15 | mm |
| side A outer diameter | 67 | mm |
| side A thickness | 2 | mm |
| side B length | 15 | mm |
| side B outer diameter | 32 | mm |
| side B thickness | 2 | mm |
| transition length | 20 | mm |
| axis offset | 15 | mm |
| ends fillet | no fillet |
Tube adapter STL 3D file ⌀ 62–32 mm (Length: 50 mm) (📦 #11200)
1 object(s) - format STL
Inline sleeve ⌀62 mm to ⌀32 mm in STL format. Total length of this sleeve is 50 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 10 mm. The ends are raw.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 20 | mm |
| side A outer diameter | 62 | mm |
| side A thickness | 3 | mm |
| side B length | 10 | mm |
| side B outer diameter | 32 | mm |
| side B thickness | 3 | mm |
| transition length | 20 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tube adapter STL file ⌀ 60–15 mm (Length: 105 mm) (📦 #11153)
1 object(s) - format STL
Inline tube coupler ⌀60 mm to ⌀15 mm in STL 3D format. Total length of this reducer is 105 mm. The thickness of the tubes is identical: 2.4 mm. The larger-diameter tube has a length of 15 mm, the smaller one of 15 mm as well. The ends are not rounded.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 15 | mm |
| side A outer diameter | 60 | mm |
| side A thickness | 2.4 | mm |
| side B length | 15 | mm |
| side B outer diameter | 15 | mm |
| side B thickness | 2.4 | mm |
| transition length | 75 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tube adapter STL file ⌀ 71–40 mm (Length: 15 mm) (📦 #11126)
1 object(s) - format STL
Inline tube reducer ⌀71 mm to ⌀40 mm in STL 3D format. Final length of this sleeve is 15 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a length of 5 mm, the smaller one of 5 mm as well. The ends have no fillet.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 5 | mm |
| side A outer diameter | 71 | mm |
| side A thickness | 3 | mm |
| side B length | 5 | mm |
| side B outer diameter | 40 | mm |
| side B thickness | 3 | mm |
| transition length | 5 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tube adapter STL file ⌀ 121–102 mm (Length: 70 mm) (📦 #11123)
1 object(s) - format STL
Tube reducer ⌀121 mm to ⌀102 mm in STL format. Final length of this adapter is 70 mm. The thickness of the tubes is identical: 2.5 mm. The larger-diameter tube has a sleeve length of 20 mm, the smaller one of 30 mm. The ends have no fillet.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 20 | mm |
| side A outer diameter | 121 | mm |
| side A thickness | 2.5 | mm |
| side B length | 30 | mm |
| side B outer diameter | 102 | mm |
| side B thickness | 2.5 | mm |
| transition length | 20 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL 3D file ⌀ 70–40 mm (Length: 57 mm) (📦 #11117)
1 object(s) - format STL
Inline fitting ⌀70 mm to ⌀40 mm in STL format. Length of this sleeve is 57 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 25 mm as well. The ends are raw.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 25 | mm |
| side A outer diameter | 70 | mm |
| side A thickness | 3 | mm |
| side B length | 25 | mm |
| side B outer diameter | 40 | mm |
| side B thickness | 3 | mm |
| transition length | 7 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL file ⌀ 250–40 mm (Length: 185 mm) (📦 #11111)
1 object(s) - format STL
Straight tube adapter ⌀250 mm to ⌀40 mm in STL format. Total length of this adapter is 185 mm. The thickness of the tubes is identical: 3 mm. The larger-diameter tube has a sleeve length of 5 mm, the smaller one of 80 mm. The ends are raw.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 5 | mm |
| side A outer diameter | 250 | mm |
| side A thickness | 3 | mm |
| side B length | 80 | mm |
| side B outer diameter | 40 | mm |
| side B thickness | 3 | mm |
| transition length | 100 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tubing adapter STL file ⌀ 14–7 mm (Length: 35 mm) (📦 #11103)
1 object(s) - format STL
Tube fitting ⌀14 mm to ⌀7 mm in STL format. Final length of this reducer is 35 mm. The thickness of the tubes is identical: 2 mm. The larger-diameter tube has a sleeve length of 15 mm, the smaller one of 10 mm. The ends are raw.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 15 | mm |
| side A outer diameter | 14 | mm |
| side A thickness | 2 | mm |
| side B length | 10 | mm |
| side B outer diameter | 7 | mm |
| side B thickness | 2 | mm |
| transition length | 10 | mm |
| axis offset | 0 | mm |
| ends fillet | no fillet |
Tube adapter STL 3D file ⌀ 98–68 mm (Length: 65 mm) (📦 #11102)
1 object(s) - format STL
Tube adapter ⌀98 mm to ⌀68 mm in STL 3D format. Length of this sleeve is 65 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 25 mm as well. The ends feature a fillet to ease the connection.
| Parameter | Value | Unit |
|---|---|---|
| side A length | 25 | mm |
| side A outer diameter | 98 | mm |
| side A thickness | 3 | mm |
| side B length | 25 | mm |
| side B outer diameter | 68 | mm |
| side B thickness | 3 | mm |
| transition length | 15 | mm |
| axis offset | 0 | mm |
| ends fillet | fillet on bo... |
Connect two pipes of different diameters
Custom inline tube adapters are designed to connect two pipes of different diameters or slightly offset axes, depending on the assembly needs. They are suitable for both liquid and air transfer in ventilation or exhaust systems. These 3D-printable parts are useful in workshops, laboratories, craft setups, or home repairs. Their precise geometry ensures a clean and leak-free connection, without glue or excessive tightening, for a practical and durable result.
Depending on the project, several models can be selected. A large reduction adapter connects two tubes with very different sizes while maintaining good mechanical strength. When an offset is required, an offset adapter provides precise alignment between two non-collinear pipes. Conversely, for nearly identical diameters, a small reduction adapter ensures a smooth transition and stable fit without tube deformation.
Each parametric model is fully configurable — sleeve length, wall thickness, inlet and outlet diameters, or rounded edges to ease fitting. Thanks to this customization, inline tube adapters offer a versatile and cost-effective solution for any assembly requiring a precise, 3D-printable connector. Whether for technical use, prototyping, or practical projects, these custom parts easily integrate into all kinds of light piping systems.