Custom Rectangular tube adapter STL 3D file 220x73 mm to 220x73 mm – transition: 120 mm 📦#4273

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Rectangular adapter provided as 3D STL file. Side A and side B share the same internal cross-section, 220x73 mm, with a rectangular profile. Each sleeve provides an insertion length of 50 mm. The transition section between the two sides is 120 mm long, for an overall length of 220 mm (side A sleeve, transition and side B sleeve). No chamfers are applied at the ends; both inner and outer edges remain sharp.
Generation date: 2025-12-04
3D Model Rectangular tube adapter STL 3D file 220x73 mm to 220x73 mm – transition: 120 mm

3D model download

Free
  • rectangular-to-rectangular-duc_model4273-nb0_dd{id}.stl : 1.6 Ko
STL Mesh quality : Linear deflection 0.0005 Angular deflection 0.05
No compliance warranty No compliance warranty
(Internal and private use, non-commercial – no distribution – no derivatives)
Safe download
Instant .zip download — no email, no account

Values for this model

This model was generated by the Rectangular-to-rectangular duct adapter template, with the following values:
Parameter Value
#1 side A internal width 220 mm (≃8.66 in)
#2 side A internal height 73 mm (≃2 7/8 in)
#3 sleeve length on side A 50 mm (≃1.97 in)
#4 side B internal width 220 mm (≃8.66 in)
#5 side B internal height 73 mm (≃2 7/8 in)
#6 sleeve length on side B 50 mm (≃1.97 in)
#7 thickness 3 mm (≃1/8 in)
#8 transition length 120 mm (≃4.72 in)
#9 Y offset 0 mm (0 in)
#10 Z offset 0 mm (0 in)
#11 end chamfers none
Metadata Value
external width on side A 226 mm (≃8.90 in)
external height on side A 79 mm (≃3 1/8 in)
external width on side B 226 mm (≃8.90 in)
external height on side B 79 mm (≃3 1/8 in)
total length 220 mm (≃8.66 in)
illustration of the parameters
Parameter overview

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

Parameter Label
#1 side A internal width widRA
#2 side A internal height heiRA
#3 sleeve length on side A lenSA
#4 side B internal width widRB
#5 side B internal height heiRB
#6 sleeve length on side B lenSB
#7 thickness thi
#8 transition length tra
#9 Y offset ofsY
#10 Z offset ofsZ
#11 end chamfers cha

Related 3D models

To search for a model based on your own parameters, go to the template page Rectangular-to-rectangular duct adapter 

Rectangular tube adapter STL 3D file 220x90 mm to 205x60 mm – transition: 50 mm (📦 #9685)

1 object(s) - format STL
Rectangular tube adapter STL 3D file 220x90 mm to 205x60 mm – transition: 50 mm
Rectangular duct transition exported as STL 3D file. The internal cross-section on side A is 220x90 mm (rectangular), while side B is 205x60 mm (rectangular). Each sleeve provides an insertion length of 40 mm. The transition section between the two sides is 50 mm long, for an overall length of 130 mm (side A sleeve, transition and side B sleeve). The internal edges at the ends are chamfered to help guide the duct during insertion.
Parameter Value Unit
side A internal width 220 mm
side A internal height 90 mm
sleeve length on side A 40 mm
side B internal width 205 mm
side B internal height 60 mm
sleeve length on side B 40 mm
thickness 3 mm
transition length 50 mm
Y offset 0 mm
Z offset 0 mm
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Rectangle-to-rectangle duct adapter STL file 220x90 mm to 205x60 mm – transition: 50 mm (📦 #9709)

1 object(s) - format STL
Rectangle-to-rectangle duct adapter STL file 220x90 mm to 205x60 mm – transition: 50 mm
Rectangular duct connector provided as 3D STL file. Side A uses an internal cross-section of 220x90 mm (rectangular), whereas side B is 205x60 mm (rectangular). Both side A and side B sleeves share the same insertion length of 40 mm. Between the two sleeves, the transition section adds 50 mm, giving an overall length of 130 mm. Internal chamfers at the ends improve assembly and provide a smoother insertion of the mating duct. Side B is offset by 15 mm along the Z axis relative to side A.
Parameter Value Unit
side A internal width 220 mm
side A internal height 90 mm
sleeve length on side A 40 mm
side B internal width 205 mm
side B internal height 60 mm
sleeve length on side B 40 mm
thickness 3 mm
transition length 50 mm
Y offset 0 mm
Z offset 15 mm
end chamfers inside

Rectangle-to-rectangle duct adapter STL 3D file 182.4x92.8 mm to 182.4x32 mm – transition: 100 mm (📦 #4551)

1 object(s) - format STL
Rectangle-to-rectangle duct adapter STL 3D file 182.4x92.8 mm to 182.4x32 mm – transition: 100 mm
Rectangular duct connector downloadable as STL 3D file. Side A uses an internal cross-section of 182.4x92.8 mm (rectangular), whereas side B is 182.4x32 mm (rectangular). The sleeve on side A provides an insertion length of 60 mm, and the sleeve on side B 50 mm. The transition section runs for 100 mm and the overall length is 210 mm, sleeves included. Wall thickness is generous (4 mm). Inner and outer edges at both ends are left unchamfered. Side B is offset by 30.4 mm along the Z axis relative to side A.
Parameter Value Unit
side A internal width 182.4 mm
side A internal height 92.8 mm
sleeve length on side A 60 mm
side B internal width 182.4 mm
side B internal height 32 mm
sleeve length on side B 50 mm
thickness 4 mm
transition length 100 mm
Y offset 0 mm
Z offset 30.4 mm
end chamfers none

Rectangle-to-rectangle duct adapter STL 3D file 220x90 mm to 180x95 mm – transition: 30 mm (📦 #3980)

1 object(s) - format STL
Rectangle-to-rectangle duct adapter STL 3D file 220x90 mm to 180x95 mm – transition: 30 mm
3D STL file for rectangular adapter. Side A uses an internal cross-section of 220x90 mm (rectangular), whereas side B is 180x95 mm (rectangular). Both side A and side B sleeves share the same insertion length of 40 mm. The transition section between the two sides is 30 mm long, for an overall length of 110 mm (side A sleeve, transition and side B sleeve). Internal chamfers are added at the ends to make assembly and duct insertion easier.
Parameter Value Unit
side A internal width 220 mm
side A internal height 90 mm
sleeve length on side A 40 mm
side B internal width 180 mm
side B internal height 95 mm
sleeve length on side B 40 mm
thickness 3 mm
transition length 30 mm
Y offset 0 mm
Z offset 0 mm
end chamfers inside

Rectangular pipe adapter STL file 182.4x92.8 mm to 182.4x32 mm – transition: 100 mm (📦 #4480)

1 object(s) - format STL
Rectangular pipe adapter STL file 182.4x92.8 mm to 182.4x32 mm – transition: 100 mm
Rectangular duct sleeve downloadable as STL 3D file. The internal cross-section on side A is 182.4x92.8 mm (rectangular), while side B is 182.4x32 mm (rectangular). The sleeve on side A provides an insertion length of 60 mm, and the sleeve on side B 30 mm. The transition section between the two sides is 100 mm long, for an overall length of 190 mm (side A sleeve, transition and side B sleeve). The shell is thick, with a wall thickness of 4 mm. No chamfers are applied at the ends; both inner and outer edges remain sharp. Relative to side A, side B is shifted by 30.4 mm along the Z axis.
Parameter Value Unit
side A internal width 182.4 mm
side A internal height 92.8 mm
sleeve length on side A 60 mm
side B internal width 182.4 mm
side B internal height 32 mm
sleeve length on side B 30 mm
thickness 4 mm
transition length 100 mm
Y offset 0 mm
Z offset 30.4 mm
end chamfers none

Rectangular duct adapter STL 3D file 200x90 mm to 80x80 mm – transition: 60 mm (📦 #3870)

1 object(s) - format STL (5.0/5) 1 vote(s)
Rectangular duct adapter STL 3D file 200x90 mm to 80x80 mm – transition: 60 mm
Rectangular duct sleeve downloadable as STL 3D file. The internal cross-section on side A is 200x90 mm (rectangular), while side B is 80x80 mm (square). The insertion length on side A is 40 mm, while on side B it is 30 mm. Between the two sleeves, the transition section adds 60 mm, giving an overall length of 130 mm. Wall thickness is generous (4 mm). The ends are left without chamfers, with sharp inner and outer edges.
Parameter Value Unit
side A internal width 200 mm
side A internal height 90 mm
sleeve length on side A 40 mm
side B internal width 80 mm
side B internal height 80 mm
sleeve length on side B 30 mm
thickness 4 mm
transition length 60 mm
Y offset 0 mm
Z offset 0 mm
end chamfers none

Rectangular pipe adapter STL 3D file 200x20 mm to 100x50 mm – transition: 100 mm (📦 #4705)

1 object(s) - format STL
Rectangular pipe adapter STL 3D file 200x20 mm to 100x50 mm – transition: 100 mm
3D STL file for rectangular conduit adapter. Side A uses an internal cross-section of 200x20 mm (rectangular), whereas side B is 100x50 mm (rectangular). The insertion length on side A is 60 mm, while on side B it is 50 mm. The transition section runs for 100 mm and the overall length is 210 mm, sleeves included. The shell is thick, with a wall thickness of 4 mm. Inner and outer edges at both ends are left unchamfered. An offset of 30.4 mm along the Z axis is applied to side B with respect to side A.
Parameter Value Unit
side A internal width 200 mm
side A internal height 20 mm
sleeve length on side A 60 mm
side B internal width 100 mm
side B internal height 50 mm
sleeve length on side B 50 mm
thickness 4 mm
transition length 100 mm
Y offset 0 mm
Z offset 30.4 mm
end chamfers none

Rectangle-to-rectangle duct adapter STL 3D file 193x73 mm to 193x73 mm – transition: 100 mm (📦 #4074)

1 object(s) - format STL
Rectangle-to-rectangle duct adapter STL 3D file 193x73 mm to 193x73 mm – transition: 100 mm
3D STL file for rectangular pipe adapter. On both side A and side B, the internal cross-section is 193x73 mm, with a rectangular geometry. The sleeve insertion length is the same on both sides, 50 mm. The transition section between the two sides is 100 mm long, for an overall length of 200 mm (side A sleeve, transition and side B sleeve). The outer edges at the ends are chamfered, which simplifies inserting the adapter into the mating duct.
Parameter Value Unit
side A internal width 193 mm
side A internal height 73 mm
sleeve length on side A 50 mm
side B internal width 193 mm
side B internal height 73 mm
sleeve length on side B 50 mm
thickness 3 mm
transition length 100 mm
Y offset 0 mm
Z offset 0 mm
end chamfers outside

Rectangular duct adapter STL 3D file 228x98 mm to 158x63 mm – transition: 20 mm (📦 #9464)

1 object(s) - format STL
Rectangular duct adapter STL 3D file 228x98 mm to 158x63 mm – transition: 20 mm
Rectangular pipe adapter exported as STL 3D file. Side A uses an internal cross-section of 228x98 mm (rectangular), whereas side B is 158x63 mm (rectangular). The sleeve on side A provides an insertion length of 20 mm, and the sleeve on side B 30 mm. The transition section between the two sides is 20 mm long, for an overall length of 70 mm (side A sleeve, transition and side B sleeve). Internal chamfers are added at the ends to make assembly and duct insertion easier.
Parameter Value Unit
side A internal width 228 mm
side A internal height 98 mm
sleeve length on side A 20 mm
side B internal width 158 mm
side B internal height 63 mm
sleeve length on side B 30 mm
thickness 3 mm
transition length 20 mm
Y offset 0 mm
Z offset 0 mm
end chamfers inside

Rectangle-to-rectangle duct adapter STL file 200x20 mm to 100x50 mm – transition: 55 mm (📦 #4707)

1 object(s) - format STL
Rectangle-to-rectangle duct adapter STL file 200x20 mm to 100x50 mm – transition: 55 mm
Rectangular duct fitting provided as 3D STL file. Side A uses an internal cross-section of 200x20 mm (rectangular), whereas side B is 100x50 mm (rectangular). The sleeve insertion length is the same on both sides, 30 mm. Between the two sleeves, the transition section adds 55 mm, giving an overall length of 115 mm. Inner and outer edges at both ends are left unchamfered. An offset of 12.7 mm along the Z axis is applied to side B with respect to side A.
Parameter Value Unit
side A internal width 200 mm
side A internal height 20 mm
sleeve length on side A 30 mm
side B internal width 100 mm
side B internal height 50 mm
sleeve length on side B 30 mm
thickness 2 mm
transition length 55 mm
Y offset 0 mm
Z offset 12.7 mm
end chamfers none

Rectangular pipe adapter STL 3D file 150x150 mm to 150x150 mm – transition: 90 mm (📦 #7849)

1 object(s) - format STL
Rectangular pipe adapter STL 3D file 150x150 mm to 150x150 mm – transition: 90 mm
Rectangular pipe adapter downloadable as STL 3D file. Both ends have the same internal cross-section, 150x150 mm, with a square shape. Each sleeve provides an insertion length of 45 mm. The transition section runs for 90 mm and the overall length is 180 mm, sleeves included. The internal edges at the ends are chamfered to help guide the duct during insertion.
Parameter Value Unit
side A internal width 150 mm
side A internal height 150 mm
sleeve length on side A 45 mm
side B internal width 150 mm
side B internal height 150 mm
sleeve length on side B 45 mm
thickness 2 mm
transition length 90 mm
Y offset 0 mm
Z offset 0 mm
end chamfers inside

Rectangular tube adapter STL file 115x115 mm to 225x90 mm – transition: 140 mm (📦 #7034)

1 object(s) - format STL
Rectangular tube adapter STL file 115x115 mm to 225x90 mm – transition: 140 mm
3D STL file for rectangular duct sleeve. Side A offers an internal cross-section of 115x115 mm (square) and side B uses 225x90 mm (rectangular). Each sleeve provides an insertion length of 40 mm. Between the two sleeves, the transition section adds 140 mm, giving an overall length of 220 mm. External chamfers at the ends help the adapter slide and seat more easily in the duct system.
Parameter Value Unit
side A internal width 115 mm
side A internal height 115 mm
sleeve length on side A 40 mm
side B internal width 225 mm
side B internal height 90 mm
sleeve length on side B 40 mm
thickness 3 mm
transition length 140 mm
Y offset 0 mm
Z offset 0 mm
end chamfers outside

Rectangular duct adapter STL 3D file 200x20 mm to 100x50 mm – transition: 100 mm (📦 #4706)

1 object(s) - format STL
Rectangular duct adapter STL 3D file 200x20 mm to 100x50 mm – transition: 100 mm
3D STL file for rectangular pipe adapter. The internal cross-section on side A is 200x20 mm (rectangular), while side B is 100x50 mm (rectangular). The sleeve on side A provides an insertion length of 60 mm, and the sleeve on side B 50 mm. Between the two sleeves, the transition section adds 100 mm, giving an overall length of 210 mm. Wall thickness is generous (4 mm). Inner and outer edges at both ends are left unchamfered. An offset of 50 mm along the Z axis is applied to side B with respect to side A.
Parameter Value Unit
side A internal width 200 mm
side A internal height 20 mm
sleeve length on side A 60 mm
side B internal width 100 mm
side B internal height 50 mm
sleeve length on side B 50 mm
thickness 4 mm
transition length 100 mm
Y offset 0 mm
Z offset 50 mm
end chamfers none

Rectangle-to-rectangle duct adapter STL 3D file 214x84 mm to 198x54 mm – transition: 40 mm (📦 #9718)

1 object(s) - format STL
Rectangle-to-rectangle duct adapter STL 3D file 214x84 mm to 198x54 mm – transition: 40 mm
Rectangular adapter provided as 3D STL file. Side A uses an internal cross-section of 214x84 mm (rectangular), whereas side B is 198x54 mm (rectangular). On side A, the sleeve length is 30 mm, and on side B it is 40 mm. Between the two sleeves, the transition section adds 40 mm, giving an overall length of 110 mm. The outer edges at the ends are chamfered, which simplifies inserting the adapter into the mating duct. An offset of 16 mm along the Z axis is applied to side B with respect to side A.
Parameter Value Unit
side A internal width 214 mm
side A internal height 84 mm
sleeve length on side A 30 mm
side B internal width 198 mm
side B internal height 54 mm
sleeve length on side B 40 mm
thickness 3 mm
transition length 40 mm
Y offset 0 mm
Z offset 16 mm
end chamfers outside

Rectangular duct adapter STL file 100x60 mm to 100x60 mm – transition: 20 mm (📦 #6424)

1 object(s) - format STL
Rectangular duct adapter STL file 100x60 mm to 100x60 mm – transition: 20 mm
Rectangular pipe adapter provided as 3D STL file. Side A and side B share the same internal cross-section, 100x60 mm, with a rectangular profile. The sleeve on side A provides an insertion length of 30 mm, and the sleeve on side B 70 mm. Between the two sleeves, the transition section adds 20 mm, giving an overall length of 120 mm. The ends are left without chamfers, with sharp inner and outer edges.
Parameter Value Unit
side A internal width 100 mm
side A internal height 60 mm
sleeve length on side A 30 mm
side B internal width 100 mm
side B internal height 60 mm
sleeve length on side B 70 mm
thickness 2 mm
transition length 20 mm
Y offset 0 mm
Z offset 0 mm
end chamfers none

Rectangular tube adapter STL file 200x20 mm to 100x50 mm – transition: 50 mm (📦 #4704)

1 object(s) - format STL
Rectangular tube adapter STL file 200x20 mm to 100x50 mm – transition: 50 mm
Rectangular adapter provided as 3D STL file. Side A offers an internal cross-section of 200x20 mm (rectangular) and side B uses 100x50 mm (rectangular). The sleeve insertion length is the same on both sides, 20 mm. The transition section runs for 50 mm and the overall length is 90 mm, sleeves included. The internal edges at the ends are chamfered to help guide the duct during insertion.
Parameter Value Unit
side A internal width 200 mm
side A internal height 20 mm
sleeve length on side A 20 mm
side B internal width 100 mm
side B internal height 50 mm
sleeve length on side B 20 mm
thickness 3 mm
transition length 50 mm
Y offset 0 mm
Z offset 0 mm
end chamfers inside

Rectangular tube adapter STL 3D file 122.3x60.3 mm to 116.3x56.3 mm – transition: 20 mm (📦 #7193)

1 object(s) - format STL
Rectangular tube adapter STL 3D file 122.3x60.3 mm to 116.3x56.3 mm – transition: 20 mm
Rectangular duct fitting provided as 3D STL file. The internal cross-section on side A is 122.3x60.3 mm (rectangular), while side B is 116.3x56.3 mm (rectangular). The insertion length on side A is 25 mm, while on side B it is 30 mm. The transition section runs for 20 mm and the overall length is 75 mm, sleeves included. The internal edges at the ends are chamfered to help guide the duct during insertion.
Parameter Value Unit
side A internal width 122.3 mm
side A internal height 60.3 mm
sleeve length on side A 25 mm
side B internal width 116.3 mm
side B internal height 56.3 mm
sleeve length on side B 30 mm
thickness 2 mm
transition length 20 mm
Y offset 0 mm
Z offset 0 mm
end chamfers inside

Rectangular pipe adapter STL file 122.3x60.3 mm to 116x56 mm – transition: 20 mm (📦 #7196)

1 object(s) - format STL
Rectangular pipe adapter STL file 122.3x60.3 mm to 116x56 mm – transition: 20 mm
3D STL file for rectangular duct connector. Side A uses an internal cross-section of 122.3x60.3 mm (rectangular), whereas side B is 116x56 mm (rectangular). The sleeve on side A provides an insertion length of 25 mm, and the sleeve on side B 30 mm. Between the two sleeves, the transition section adds 20 mm, giving an overall length of 75 mm. Internal chamfers are added at the ends to make assembly and duct insertion easier.
Parameter Value Unit
side A internal width 122.3 mm
side A internal height 60.3 mm
sleeve length on side A 25 mm
side B internal width 116 mm
side B internal height 56 mm
sleeve length on side B 30 mm
thickness 2 mm
transition length 20 mm
Y offset 0 mm
Z offset 0 mm
end chamfers inside

Rectangular pipe adapter STL 3D file 225x90 mm to 150x75 mm – transition: 100 mm (📦 #4769)

1 object(s) - format STL
Rectangular pipe adapter STL 3D file 225x90 mm to 150x75 mm – transition: 100 mm
Rectangular duct connector downloadable as STL 3D file. The internal cross-section on side A is 225x90 mm (rectangular), while side B is 150x75 mm (rectangular). On side A, the sleeve length is 35 mm, and on side B it is 20 mm. Between the two sleeves, the transition section adds 100 mm, giving an overall length of 155 mm. External chamfers at the ends help the adapter slide and seat more easily in the duct system.
Parameter Value Unit
side A internal width 225 mm
side A internal height 90 mm
sleeve length on side A 35 mm
side B internal width 150 mm
side B internal height 75 mm
sleeve length on side B 20 mm
thickness 2 mm
transition length 100 mm
Y offset 0 mm
Z offset 0 mm
end chamfers outside

Rectangular duct adapter STL 3D file 200x20 mm to 100x50 mm – transition: 50 mm (📦 #4700)

1 object(s) - format STL
Rectangular duct adapter STL 3D file 200x20 mm to 100x50 mm – transition: 50 mm
Rectangular duct adapter provided as 3D STL file. The internal cross-section on side A is 200x20 mm (rectangular), while side B is 100x50 mm (rectangular). Each sleeve provides an insertion length of 20 mm. Between the two sleeves, the transition section adds 50 mm, giving an overall length of 90 mm. Internal chamfers at the ends improve assembly and provide a smoother insertion of the mating duct. An offset of 25 mm along the Z axis is applied to side B with respect to side A.
Parameter Value Unit
side A internal width 200 mm
side A internal height 20 mm
sleeve length on side A 20 mm
side B internal width 100 mm
side B internal height 50 mm
sleeve length on side B 20 mm
thickness 3 mm
transition length 50 mm
Y offset 0 mm
Z offset 25 mm
end chamfers inside

Rectangular pipe adapter STL 3D file 150x150 mm to 150x150 mm – transition: 20 mm (📦 #7850)

1 object(s) - format STL
Rectangular pipe adapter STL 3D file 150x150 mm to 150x150 mm – transition: 20 mm
Rectangular duct sleeve exported as STL 3D file. Both ends have the same internal cross-section, 150x150 mm, with a square shape. Each sleeve provides an insertion length of 35 mm. The transition section runs for 20 mm and the overall length is 90 mm, sleeves included. Internal chamfers are added at the ends to make assembly and duct insertion easier.
Parameter Value Unit
side A internal width 150 mm
side A internal height 150 mm
sleeve length on side A 35 mm
side B internal width 150 mm
side B internal height 150 mm
sleeve length on side B 35 mm
thickness 2 mm
transition length 20 mm
Y offset 0 mm
Z offset 0 mm
end chamfers inside

Rectangular duct adapter STL 3D file 196x146 mm to 180x104 mm – transition: 20 mm (📦 #9335)

1 object(s) - format STL
Rectangular duct adapter STL 3D file 196x146 mm to 180x104 mm – transition: 20 mm
Rectangular duct fitting exported as STL 3D file. The internal cross-section on side A is 196x146 mm (rectangular), while side B is 180x104 mm (rectangular). The insertion length on side A is 5 mm, while on side B it is 15 mm. The transition section runs for 20 mm and the overall length is 40 mm, sleeves included. No chamfers are applied at the ends; both inner and outer edges remain sharp.
Parameter Value Unit
side A internal width 196 mm
side A internal height 146 mm
sleeve length on side A 5 mm
side B internal width 180 mm
side B internal height 104 mm
sleeve length on side B 15 mm
thickness 2 mm
transition length 20 mm
Y offset 0 mm
Z offset 0 mm
end chamfers none