Custom Rectangular tube adapter STL file 100x200 mm to 60x204 mm – transition: 170 mm 📦#10508

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Rectangular duct transition provided as 3D STL file. The internal cross-section on side A is 100x200 mm (rectangular), while side B is 60x204 mm (rectangular). The sleeve insertion length is the same on both sides, 40 mm. Between the two sleeves, the transition section adds 170 mm, giving an overall length of 250 mm. Inner and outer edges at both ends are left unchamfered. Side B is offset by 20 mm along the Y axis and 85 mm along the Z axis relative to side A.
Generation date: 2026-07-28
3D Model Rectangular tube adapter STL file 100x200 mm to 60x204 mm – transition: 170 mm

3D model download

Free
  • rectangular-to-rectangular-duc_model10508-nb0_dd{id}.stl : 294.6 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)
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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 100 mm (≃3 15/16 in)
#2 side A internal height 200 mm (≃7 7/8 in)
#3 sleeve length on side A 40 mm (≃1 9/16 in)
#4 side B internal width 60 mm (≃2 3/8 in)
#5 side B internal height 204 mm (≃8.03 in)
#6 sleeve length on side B 40 mm (≃1 9/16 in)
#7 thickness 3 mm (≃1/8 in)
#8 transition length 170 mm (≃6 11/16 in)
#9 Y offset 20 mm (≃0.79 in)
#10 Z offset 85 mm (≃3.35 in)
#11 end chamfers none
Metadata Value
external width on side A 106 mm (≃4 3/16 in)
external height on side A 206 mm (≃8 1/8 in)
external width on side B 66 mm (≃2.60 in)
external height on side B 210 mm (≃8.27 in)
total length 250 mm (≃9.84 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 duct transition provided as 3D STL file. Side A uses an internal cross-section of 100x200 mm (rectangular), whereas side B is 60x204 mm (rectangular). Both side A and side B sleeves share the same insertion length of 30 mm. Between the two sleeves, the transition section adds 40 mm, giving an overall length of 100 mm. No chamfers are applied at the ends; both inner and outer edges remain sharp. Relative to side A, side B is shifted by 20 mm along the Y axis and 20 mm along the Z axis.
Parameter Value Unit
side A internal width 100 mm
side A internal height 200 mm
sleeve length on side A 30 mm
side B internal width 60 mm
side B internal height 204 mm
sleeve length on side B 30 mm
thickness 3 mm
transition length 40 mm
Y offset 20 mm
Z offset 20 mm
end chamfers none
Rectangular vent adapter provided as 3D STL file. Side A offers an internal cross-section of 94x194 mm (rectangular) and side B uses 60x204 mm (rectangular). Each sleeve provides an insertion length of 30 mm. Between the two sleeves, the transition section adds 40 mm, giving an overall length of 100 mm. Inner and outer edges at both ends are left unchamfered. An offset of 20 mm along the Y axis and 20 mm along the Z axis is applied to side B with respect to side A.
Parameter Value Unit
side A internal width 94 mm
side A internal height 194 mm
sleeve length on side A 30 mm
side B internal width 60 mm
side B internal height 204 mm
sleeve length on side B 30 mm
thickness 3 mm
transition length 40 mm
Y offset 20 mm
Z offset 20 mm
end chamfers none
3D STL file for rectangular tube adapter. Side A and side B share the same internal cross-section, 106x51 mm, with a rectangular profile. Each sleeve provides an insertion length of 30 mm. Between the two sleeves, the transition section adds 240 mm, giving an overall length of 300 mm. No chamfers are applied at the ends; both inner and outer edges remain sharp. An offset of 100 mm along the Z axis is applied to side B with respect to side A.
Parameter Value Unit
side A internal width 106 mm
side A internal height 51 mm
sleeve length on side A 30 mm
side B internal width 106 mm
side B internal height 51 mm
sleeve length on side B 30 mm
thickness 2 mm
transition length 240 mm
Y offset 0 mm
Z offset 100 mm
end chamfers none
Rectangular duct transition provided as 3D STL file. Both ends have the same internal cross-section, 110x55 mm, with a rectangular shape. Both side A and side B sleeves share the same insertion length of 30 mm. The transition section between the two sides is 240 mm long, for an overall length of 300 mm (side A sleeve, transition and side B sleeve). Internal chamfers are added at the ends to make assembly and duct insertion easier. Relative to side A, side B is shifted by 100 mm along the Z axis.
Parameter Value Unit
side A internal width 110 mm
side A internal height 55 mm
sleeve length on side A 30 mm
side B internal width 110 mm
side B internal height 55 mm
sleeve length on side B 30 mm
thickness 2 mm
transition length 240 mm
Y offset 0 mm
Z offset 100 mm
end chamfers inside
Rectangular duct fitting exported as STL 3D file. Side A offers an internal cross-section of 100x40 mm (rectangular) and side B uses 80x80 mm (square). The sleeve insertion length is the same on both sides, 30 mm. The transition section runs for 80 mm and the overall length is 140 mm, sleeves included. Inner and outer edges at both ends are left unchamfered. Side B is offset by 30 mm along the Y axis and 30 mm along the Z axis relative to side A.
Parameter Value Unit
side A internal width 100 mm
side A internal height 40 mm
sleeve length on side A 30 mm
side B internal width 80 mm
side B internal height 80 mm
sleeve length on side B 30 mm
thickness 3 mm
transition length 80 mm
Y offset 30 mm
Z offset 30 mm
end chamfers none
3D STL file for rectangular tube adapter. Side A offers an internal cross-section of 120x60 mm (rectangular) and side B uses 114x54 mm (rectangular). Each sleeve provides an insertion length of 30 mm. Between the two sleeves, the transition section adds 140 mm, giving an overall length of 200 mm. External chamfers are added at the ends to make it easier to push the adapter into ducts or pipes. An offset of 35 mm along the Y axis and 70 mm along the Z axis is applied to side B with respect to side A.
Parameter Value Unit
side A internal width 120 mm
side A internal height 60 mm
sleeve length on side A 30 mm
side B internal width 114 mm
side B internal height 54 mm
sleeve length on side B 30 mm
thickness 3 mm
transition length 140 mm
Y offset 35 mm
Z offset 70 mm
end chamfers outside
Rectangular duct fitting provided as 3D STL file. The internal cross-section on side A is 122x61 mm (rectangular), while side B is 114x54 mm (rectangular). Both side A and side B sleeves share the same insertion length of 30 mm. The transition section runs for 140 mm and the overall length is 200 mm, sleeves included. Inner and outer edges at both ends are left unchamfered. Side B is offset by 70 mm along the Y axis and 35 mm along the Z axis relative to side A.
Parameter Value Unit
side A internal width 122 mm
side A internal height 61 mm
sleeve length on side A 30 mm
side B internal width 114 mm
side B internal height 54 mm
sleeve length on side B 30 mm
thickness 3 mm
transition length 140 mm
Y offset 70 mm
Z offset 35 mm
end chamfers none
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
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
Rectangular duct transition exported as STL 3D file. The internal cross-section on side A is 38x54.6 mm (rectangular), while side B is 80.5x80.5 mm (square). On side A, the sleeve length is 16 mm, and on side B it is 25 mm. The transition section between the two sides is 52 mm long, for an overall length of 93 mm (side A sleeve, transition and side B sleeve). Inner and outer edges at both ends are left unchamfered. Relative to side A, side B is shifted by 26 mm along the Z axis.
Parameter Value Unit
side A internal width 38 mm
side A internal height 54.6 mm
sleeve length on side A 16 mm
side B internal width 80.5 mm
side B internal height 80.5 mm
sleeve length on side B 25 mm
thickness 2 mm
transition length 52 mm
Y offset 0 mm
Z offset 26 mm
end chamfers none
3D STL file for rectangular conduit adapter. Side A uses an internal cross-section of 87x202 mm (rectangular), whereas side B is 90x220 mm (rectangular). The sleeve insertion length is the same on both sides, 20 mm. The transition section runs for 20 mm and the overall length is 60 mm, sleeves included. Internal chamfers at the ends improve assembly and provide a smoother insertion of the mating duct.
Parameter Value Unit
side A internal width 87 mm
side A internal height 202 mm
sleeve length on side A 20 mm
side B internal width 90 mm
side B internal height 220 mm
sleeve length on side B 20 mm
thickness 2 mm
transition length 20 mm
Y offset 0 mm
Z offset 0 mm
end chamfers inside
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 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
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
Rectangular vent adapter downloadable as STL 3D file. The internal cross-section on side A is 120x120 mm (square), while side B is 100x55 mm (rectangular). On side A, the sleeve length is 20 mm, and on side B it is 10 mm. The transition section between the two sides is 180 mm long, for an overall length of 210 mm (side A sleeve, transition and side B sleeve). No chamfers are applied at the ends; both inner and outer edges remain sharp.
Parameter Value Unit
side A internal width 120 mm
side A internal height 120 mm
sleeve length on side A 20 mm
side B internal width 100 mm
side B internal height 55 mm
sleeve length on side B 10 mm
thickness 2 mm
transition length 180 mm
Y offset 0 mm
Z offset 0 mm
end chamfers none
Rectangular vent adapter exported as STL 3D file. The internal cross-section on side A is 60x284.4 mm (rectangular), while side B is 161.9x191 mm (rectangular). The insertion length on side A is 5 mm, while on side B it is 33.5 mm. The transition section between the two sides is 50 mm long, for an overall length of 88.5 mm (side A sleeve, transition and side B sleeve). The shell is thick, with a wall thickness of 4 mm. The internal edges at the ends are chamfered to help guide the duct during insertion. Relative to side A, side B is shifted by 25 mm along the Y axis.
Parameter Value Unit
side A internal width 60 mm
side A internal height 284.4 mm
sleeve length on side A 5 mm
side B internal width 161.9 mm
side B internal height 191 mm
sleeve length on side B 33.5 mm
thickness 4 mm
transition length 50 mm
Y offset 25 mm
Z offset 0 mm
end chamfers inside
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 pipe adapter provided as 3D STL file. The internal cross-section on side A is 38x58.6 mm (rectangular), while side B is 80.5x80.5 mm (square). The insertion length on side A is 16 mm, while on side B it is 25 mm. The transition section runs for 30 mm and the overall length is 71 mm, sleeves included. The ends are left without chamfers, with sharp inner and outer edges. Side B is offset by 15 mm along the Y axis and 15 mm along the Z axis relative to side A.
Parameter Value Unit
side A internal width 38 mm
side A internal height 58.6 mm
sleeve length on side A 16 mm
side B internal width 80.5 mm
side B internal height 80.5 mm
sleeve length on side B 25 mm
thickness 2 mm
transition length 30 mm
Y offset 15 mm
Z offset 15 mm
end chamfers none
Rectangular adapter downloadable as STL 3D file. Side A and side B share the same internal cross-section, 120x40 mm, with a rectangular profile. Each sleeve provides an insertion length of 20 mm. The transition section between the two sides is 80 mm long, for an overall length of 120 mm (side A sleeve, transition and side B sleeve). The internal edges at the ends are chamfered to help guide the duct during insertion. An offset of 40 mm along the Y axis and 30 mm along the Z axis is applied to side B with respect to side A.
Parameter Value Unit
side A internal width 120 mm
side A internal height 40 mm
sleeve length on side A 20 mm
side B internal width 120 mm
side B internal height 40 mm
sleeve length on side B 20 mm
thickness 3 mm
transition length 80 mm
Y offset 40 mm
Z offset 30 mm
end chamfers inside
Rectangular duct transition downloadable as STL 3D file. The internal cross-section on side A is 96x51.2 mm (rectangular), while side B is 40x26.2 mm (rectangular). Both side A and side B sleeves share the same insertion length of 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. Relative to side A, side B is shifted by 25 mm along the Z axis.
Parameter Value Unit
side A internal width 96 mm
side A internal height 51.2 mm
sleeve length on side A 30 mm
side B internal width 40 mm
side B internal height 26.2 mm
sleeve length on side B 30 mm
thickness 2 mm
transition length 55 mm
Y offset 0 mm
Z offset 25 mm
end chamfers none
Rectangular duct connector downloadable as STL 3D file. The internal cross-section on side A is 96x51.2 mm (rectangular), while side B is 40x23.2 mm (rectangular). The sleeve insertion length is the same on both sides, 30 mm. The transition section runs for 60 mm and the overall length is 120 mm, sleeves included. No chamfers are applied at the ends; both inner and outer edges remain sharp. Side B is offset by 24 mm along the Z axis relative to side A.
Parameter Value Unit
side A internal width 96 mm
side A internal height 51.2 mm
sleeve length on side A 30 mm
side B internal width 40 mm
side B internal height 23.2 mm
sleeve length on side B 30 mm
thickness 2 mm
transition length 60 mm
Y offset 0 mm
Z offset 24 mm
end chamfers none
Rectangular vent adapter provided as 3D STL file. Side A offers an internal cross-section of 20x90 mm (rectangular) and side B uses 80x80 mm (square). The sleeve on side A provides an insertion length of 40 mm, and the sleeve on side B 30 mm. Between the two sleeves, the transition section adds 60 mm, giving an overall length of 130 mm. The shell is thick, with a wall thickness of 4 mm. The ends are left without chamfers, with sharp inner and outer edges.
Parameter Value Unit
side A internal width 20 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 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
3D STL file for rectangular conduit adapter. The internal cross-section on side A is 60x284.4 mm (rectangular), while side B is 161.9x191 mm (rectangular). On side A, the sleeve length is 5 mm, and on side B it is 33.5 mm. The transition section runs for 50 mm and the overall length is 88.5 mm, sleeves included. The shell is thick, with a wall thickness of 5 mm. The internal edges at the ends are chamfered to help guide the duct during insertion. Side B is offset by 25 mm along the Y axis relative to side A.
Parameter Value Unit
side A internal width 60 mm
side A internal height 284.4 mm
sleeve length on side A 5 mm
side B internal width 161.9 mm
side B internal height 191 mm
sleeve length on side B 33.5 mm
thickness 5 mm
transition length 50 mm
Y offset 25 mm
Z offset 0 mm
end chamfers inside