Tube adapter ⌀ 33–18 mm (Length: 50 mm) 📦#1525

Name: STL 3D File Tube adapter ⌀ 33–18 mm (Length: 50 mm) #1525
Brand: iteration3d
SKU: 1525
Availability: InStock

STL Download STL

Tube reducer ⌀33 mm to ⌀18 mm in STL format. Total length of this fitting is 50 mm. The thickness of the larger diameter tube is 2.9 mm, and the smaller one is 2 mm. The ends have no fillet.

Generation date: 2025-09-02

3D Model Tube adapter ⌀ 33–18 mm (Length: 50 mm)

3D model download

Free

Download format: zip : 2.3 Mo (1 file(s))

inline-tube-adapter-lenA15mm-d_model1525-nb0_dd{id}.stl : 2.3 Mo

STL Mesh quality : 0.05 0.05

License: CC BY - Creative commons

(attribution - commercial use allowed)

Values for this model

This model was generated by the Inline tube adapter template, with the following values:

	Template parameter	Value	Unit	Label
#1	side A length	15	mm	lenA
#2	side A outer diameter	33	mm	diA
#3	side A thickness	2.9	mm	thA
#4	side B length	20	mm	lenB
#5	side B outer diameter	18	mm	diB
#6	side B thickness	2	mm	thB
#7	transition length	15	mm	tra
#8	axis offset	0	mm	ofs
#9	ends fillet	0		fil

Representation of the parameters

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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 length	15	mm
side A outer diameter	33	mm
side A thickness	2.8	mm
side B length	20	mm
side B outer diameter	26	mm
side B thickness	2	mm
transition length	15	mm
axis offset	0	mm
ends fillet	0

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Parameter	Value	Unit
side A length	30	mm
side A outer diameter	44	mm
side A thickness	2.5	mm
side B length	30	mm
side B outer diameter	16	mm
side B thickness	2	mm
transition length	30	mm
axis offset	0	mm
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Parameter	Value	Unit
side A length	30	mm
side A outer diameter	45	mm
side A thickness	2.5	mm
side B length	30	mm
side B outer diameter	15	mm
side B thickness	2	mm
transition length	30	mm
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Parameter	Value	Unit
side A length	15	mm
side A outer diameter	30	mm
side A thickness	2	mm
side B length	30	mm
side B outer diameter	26	mm
side B thickness	2	mm
transition length	5	mm
axis offset	0	mm
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Parameter	Value	Unit
side A length	30	mm
side A outer diameter	45	mm
side A thickness	2.5	mm
side B length	30	mm
side B outer diameter	10	mm
side B thickness	2	mm
transition length	30	mm
axis offset	0	mm
ends fillet	0

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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 length	10	mm
side A outer diameter	32	mm
side A thickness	2	mm
side B length	10	mm
side B outer diameter	25	mm
side B thickness	2	mm
transition length	5	mm
axis offset	0	mm
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Parameter	Value	Unit
side A length	30	mm
side A outer diameter	45	mm
side A thickness	2.5	mm
side B length	30	mm
side B outer diameter	9	mm
side B thickness	2	mm
transition length	30	mm
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Parameter	Value	Unit
side A length	30	mm
side A outer diameter	45	mm
side A thickness	2.5	mm
side B length	37	mm
side B outer diameter	10	mm
side B thickness	2	mm
transition length	30	mm
axis offset	0	mm
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Parameter	Value	Unit
side A length	5	mm
side A outer diameter	16	mm
side A thickness	2	mm
side B length	5	mm
side B outer diameter	10	mm
side B thickness	2	mm
transition length	5	mm
axis offset	0	mm
ends fillet	0

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Parameter	Value	Unit
side A length	30	mm
side A outer diameter	33	mm
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side B thickness	3	mm
transition length	15	mm
axis offset	0	mm
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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 length	5	mm
side A outer diameter	7	mm
side A thickness	2	mm
side B length	5	mm
side B outer diameter	5.5	mm
side B thickness	2	mm
transition length	5	mm
axis offset	0.6	mm
ends fillet	0

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Parameter	Value	Unit
side A length	30	mm
side A outer diameter	60	mm
side A thickness	3	mm
side B length	30	mm
side B outer diameter	45	mm
side B thickness	3	mm
transition length	15	mm
axis offset	0	mm
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Parameter	Value	Unit
side A length	30	mm
side A outer diameter	80	mm
side A thickness	3	mm
side B length	30	mm
side B outer diameter	30	mm
side B thickness	3	mm
transition length	20	mm
axis offset	0	mm
ends fillet	0

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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 length	20	mm
side A outer diameter	61	mm
side A thickness	2	mm
side B length	20	mm
side B outer diameter	15	mm
side B thickness	2	mm
transition length	40	mm
axis offset	0	mm
ends fillet	0

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Parameter	Value	Unit
side A length	30	mm
side A outer diameter	38	mm
side A thickness	2.5	mm
side B length	30	mm
side B outer diameter	10	mm
side B thickness	2	mm
transition length	30	mm
axis offset	0	mm
ends fillet	1

Tube adapter ⌀ 20–5 mm (Length: 65 mm) (📦 #1261)

1 object(s) - format STL (5.0/5) 1 vote(s)

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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 length	30	mm
side A outer diameter	20	mm
side A thickness	2	mm
side B length	30	mm
side B outer diameter	5	mm
side B thickness	2	mm
transition length	5	mm
axis offset	0	mm
ends fillet	1

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

1 object(s) - format STL

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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 length	30	mm
side A outer diameter	76	mm
side A thickness	3	mm
side B length	30	mm
side B outer diameter	50	mm
side B thickness	3	mm
transition length	20	mm
axis offset	0	mm
ends fillet	0

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

1 object(s) - format STL

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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 length	30	mm
side A outer diameter	80	mm
side A thickness	2.5	mm
side B length	30	mm
side B outer diameter	50	mm
side B thickness	2.5	mm
transition length	20	mm
axis offset	0	mm
ends fillet	0

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

1 object(s) - format STL

3D model 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 length	30	mm
side A outer diameter	80	mm
side A thickness	3	mm
side B length	30	mm
side B outer diameter	50	mm
side B thickness	3	mm
transition length	20	mm
axis offset	0	mm
ends fillet	0

Tube adapter ⌀ 64–49 mm (Length: 65 mm) (📦 #1230)

1 object(s) - format STL

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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 length	25	mm
side A outer diameter	64	mm
side A thickness	4	mm
side B length	25	mm
side B outer diameter	49	mm
side B thickness	3	mm
transition length	15	mm
axis offset	0	mm
ends fillet	0

Tube adapter ⌀ 33–19 mm (Length: 56 mm) (📦 #1338)

1 object(s) - format STL

3D model Tube adapter ⌀ 33–19 mm (Length: 56 mm)

Tube junction ⌀33 mm to ⌀19 mm in STL format. Total length of this fitting is 56 mm. The thickness of the tubes is identical: 4 mm. The two axes of the tubes are offset. The ends have no fillet.

Parameter	Value	Unit
side A length	19	mm
side A outer diameter	33	mm
side A thickness	4	mm
side B length	10	mm
side B outer diameter	19	mm
side B thickness	4	mm
transition length	27	mm
axis offset	6.1	mm
ends fillet	0

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

1 object(s) - format STL

3D model Tube adapter ⌀ 100–40 mm (Length: 80 mm)

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 length	30	mm
side A outer diameter	100	mm
side A thickness	2.5	mm
side B length	30	mm
side B outer diameter	40	mm
side B thickness	2.5	mm
transition length	20	mm
axis offset	0	mm
ends fillet	0

Tube adapter ⌀ 50–40 mm (Length: 45 mm ) (📦 #1094)

1 object(s) - format STL (5.0/5) 2 vote(s)

3D model Tube adapter ⌀ 50–40 mm (Length: 45 mm )

Inline tube junction ⌀50 to ⌀40 mm in STL format. Length of this connector is 45 mm. The thickness of the larger diameter tube is 4 mm, and the smaller one is 3 mm. The ends have a fillet on the outside to make tube connection easier.

Parameter	Value	Unit
side A length	20	mm
side A outer diameter	50	mm
side A thickness	4	mm
side B length	20	mm
side B outer diameter	40	mm
side B thickness	3	mm
transition length	5	mm
axis offset	0	mm
ends fillet	1

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

1 object(s) - format STL

3D model 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 length	20	mm
side A outer diameter	85	mm
side A thickness	3	mm
side B length	20	mm
side B outer diameter	60	mm
side B thickness	3	mm
transition length	5	mm
axis offset	0	mm
ends fillet	0

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

1 object(s) - format STL

3D model 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 length	40	mm
side A outer diameter	60	mm
side A thickness	3	mm
side B length	40	mm
side B outer diameter	40	mm
side B thickness	3	mm
transition length	5	mm
axis offset	1	mm
ends fillet	1

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

1 object(s) - format STL

3D model Tube adapter ⌀ 68–53 mm (Length: 65 mm)

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.

Parameter	Value	Unit
side A length	25	mm
side A outer diameter	68	mm
side A thickness	2	mm
side B length	25	mm
side B outer diameter	53	mm
side B thickness	4	mm
transition length	15	mm
axis offset	0	mm
ends fillet	0

Tube adapter ⌀ 64–49 mm (Length: 63 mm) (📦 #1229)

1 object(s) - format STL

3D model Tube adapter ⌀ 64–49 mm (Length: 63 mm)

Tube reducer ⌀64 mm to ⌀49 mm in STL format. Final length of this fitting is 63 mm. The thickness of the tubes is identical: 4 mm. The ends are not rounded.

Parameter	Value	Unit
side A length	25	mm
side A outer diameter	64	mm
side A thickness	4	mm
side B length	25	mm
side B outer diameter	49	mm
side B thickness	4	mm
transition length	13	mm
axis offset	0	mm
ends fillet	0

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

1 object(s) - format STL

3D model Tube adapter ⌀ 81–55 mm (Length: 80 mm)

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 length	25	mm
side A outer diameter	81	mm
side A thickness	2.5	mm
side B length	25	mm
side B outer diameter	55	mm
side B thickness	2.5	mm
transition length	30	mm
axis offset	0	mm
ends fillet	1

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

1 object(s) - format STL

3D model Tube adapter ⌀ 68–52 mm (Length: 65 mm)

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 length	25	mm
side A outer diameter	68	mm
side A thickness	4	mm
side B length	25	mm
side B outer diameter	52	mm
side B thickness	4	mm
transition length	15	mm
axis offset	0	mm
ends fillet	0