Custom Oval duct transition adapter STL file 35x17.2 mm to 30.6x30.5 mm – transition: 20 mm 📦#8320
Generation date: 2026-04-08
3D model download
Free- oval-duct-transition-fitting-w_model8320-nb0_dd{id}.stl : 2.1 Mo
STL
Mesh quality :
0.0005
0.05
(Internal and private use, non-commercial – no distribution – no derivatives)
Safe download
Values for this model
This model was generated by the Oval duct transition fitting / hose-shaped reducer template, with the following values:
| Parameter | Value | |
|---|---|---|
| #1 | side A internal width | 35 mm (≃1 3/8 in) |
| #2 | side A internal height | 17.2 mm (≃11/16 in) |
| #3 | sleeve length on side A | 8 mm (≃5/16 in) |
| #4 | side B internal width | 30.6 mm (≃1.20 in) |
| #5 | side B internal height | 30.5 mm (≃1 3/16 in) |
| #6 | sleeve length on side B | 8 mm (≃5/16 in) |
| #7 | thickness | 2 mm (≃0.08 in) |
| #8 | transition length | 20 mm (≃0.79 in) |
| #9 | Y offset | 0 mm (0 in) |
| #10 | Z offset | 0 mm (0 in) |
| #11 | end chamfers | outside |
| Metadata | Value |
|---|---|
| external width on side A | 39 mm (≃1.54 in) |
| external height on side A | 21.2 mm (≃0.83 in) |
| external width on side B | 34.6 mm (≃1 3/8 in) |
| external height on side B | 34.5 mm (≃1.36 in) |
| total length | 36 mm (≃1.42 in) |
Parameter overview
Labels are used in the naming of the downloaded 3D files.
| Parameter | Label |
|---|---|
| #1 side A internal width | widOA |
| #2 side A internal height | heiOA |
| #3 sleeve length on side A | lenSA |
| #4 side B internal width | widOB |
| #5 side B internal height | heiOB |
| #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 Oval duct transition fitting / hose-shaped reducer
Oval hose adapter STL 3D file 35x17.2 mm to 30x29.9 mm – transition: 20 mm (📦 #8319)
1 object(s) - format STL
Oval duct adapter available as a STL 3D file. On side A, the internal cross-section is 35x17.2 mm (oval), whereas on side B it is 30x29.9 mm (nearly circular). The useful length is consistent on both ends: 8 mm. The central transition occupies 20 mm, bringing the overall length to 36 mm. External chamfers are added at the ends to make it easier to insert the adapter into ducts or hoses.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 35 | mm |
| side A internal height | 17.2 | mm |
| sleeve length on side A | 8 | mm |
| side B internal width | 30 | mm |
| side B internal height | 29.9 | mm |
| sleeve length on side B | 8 | mm |
| thickness | 2 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | outside |
Oval duct transition fitting STL file 50x20 mm to 35.6x35.5 mm – transition: 20 mm (📦 #9780)
1 object(s) - format STL
Oval duct adapter provided as a STL 3D file. Side A offers an internal cross-section of 50x20 mm (oval) and side B 35.6x35.5 mm (nearly circular). On side A, the sleeve is 20 mm long, and on side B 35 mm. The transition section between the two ends is 20 mm long, for an overall length of 75 mm (sleeve A, transition and sleeve B). The external chamfers improve fit when inserting the adapter into ducts or hoses.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 50 | mm |
| side A internal height | 20 | mm |
| sleeve length on side A | 20 | mm |
| side B internal width | 35.6 | mm |
| side B internal height | 35.5 | mm |
| sleeve length on side B | 35 | mm |
| thickness | 3 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | outside |
Hose-shaped reducer STL file 88.9x34.9 mm to 46x45 mm – transition: 20 mm (📦 #9872)
1 object(s) - format STL
STL 3D file for an oval connector. On side A, the internal cross-section is 88.9x34.9 mm (oval), whereas on side B it is 46x45 mm (nearly circular). The useful length is consistent on both ends: 10 mm. The transition links the two ends over 20 mm, with a total overall length of 40 mm. The internal edges at the ends are chamfered to help guide the duct during insertion.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 88.9 | mm |
| side A internal height | 34.9 | mm |
| sleeve length on side A | 10 | mm |
| side B internal width | 46 | mm |
| side B internal height | 45 | mm |
| sleeve length on side B | 10 | mm |
| thickness | 2 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval hose adapter STL 3D file 22.9x11.5 mm to 22.9x11.5 mm – transition: 20 mm (📦 #7959)
1 object(s) - format STL
Oval connector provided as a STL 3D file. On both sides A and B, the internal cross-section is the same: 22.9x11.5 mm. Both sleeves share an identical useful length of 5 mm. The transition portion extends over 20 mm and the overall length, sleeves included, is 30 mm. The shell stays very lightweight, with only 1 mm of wall thickness. Internal chamfers at the ends improve assembly and make insertion smoother.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 22.9 | mm |
| side A internal height | 11.5 | mm |
| sleeve length on side A | 5 | mm |
| side B internal width | 22.9 | mm |
| side B internal height | 11.5 | mm |
| sleeve length on side B | 5 | mm |
| thickness | 1 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval hose adapter STL file 100x15 mm to 50x28 mm – transition: 40 mm (📦 #8828)
1 object(s) - format STL
Oval pipe adapter available as a STL 3D file. On side A, the internal cross-section is 100x15 mm, whereas on side B it is 50x28 mm. The useful sleeve length is the same on both sides, 10 mm. The transition portion extends over 40 mm and the overall length, sleeves included, is 60 mm. The internal chamfers help start the duct insertion more easily.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 100 | mm |
| side A internal height | 15 | mm |
| sleeve length on side A | 10 | mm |
| side B internal width | 50 | mm |
| side B internal height | 28 | mm |
| sleeve length on side B | 10 | mm |
| thickness | 2 | mm |
| transition length | 40 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Hose-shaped reducer STL file 20.1x20 mm to 35x15 mm – transition: 20 mm (📦 #4458)
1 object(s) - format STL
Oval duct coupling available as a STL 3D file. On side A, the internal cross-section is 20.1x20 mm (nearly circular), whereas on side B it is 35x15 mm (oval). A uniform useful length of 25 mm is available on both sleeves. The transition section between the two ends is 20 mm long, for an overall length of 70 mm (sleeve A, transition and sleeve B). The internal edges at the ends are chamfered to help guide the duct during insertion.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 20.1 | mm |
| side A internal height | 20 | mm |
| sleeve length on side A | 25 | mm |
| side B internal width | 35 | mm |
| side B internal height | 15 | mm |
| sleeve length on side B | 25 | mm |
| thickness | 2 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval hose adapter STL 3D file 53x52 mm to 50x28 mm – transition: 20 mm (📦 #4337)
1 object(s) - format STL
Oval connector available as a STL 3D file. The internal cross-section on side A is 53x52 mm (nearly circular), while on side B it is 50x28 mm (oval). On side A, the sleeve is 20 mm long, and on side B 30 mm. The transition section is 20 mm long, for a final overall length of 70 mm. The internal edges at the ends are chamfered to help guide the duct during insertion.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 53 | mm |
| side A internal height | 52 | mm |
| sleeve length on side A | 20 | mm |
| side B internal width | 50 | mm |
| side B internal height | 28 | 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 |
Oval duct transition fitting STL file 22.9x11.6 mm to 18x17.9 mm – transition: 40 mm (📦 #7787)
1 object(s) - format STL
STL 3D file for an oval hose fitting. The internal cross-section on side A is 22.9x11.6 mm (oval), while on side B it is 18x17.9 mm (nearly circular). The useful sleeve length on side A is 20 mm, while on side B it reaches 10 mm. The central transition occupies 40 mm, bringing the overall length to 70 mm. With 1 mm of thickness, the wall remains flexible and material-efficient. Internal chamfers are added at the ends to make assembly and duct insertion easier. An offset of 8.7 mm along the Z axis is applied to side B relative to side A.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 22.9 | mm |
| side A internal height | 11.6 | mm |
| sleeve length on side A | 20 | mm |
| side B internal width | 18 | mm |
| side B internal height | 17.9 | mm |
| sleeve length on side B | 10 | mm |
| thickness | 1 | mm |
| transition length | 40 | mm |
| Y offset | 0 | mm |
| Z offset | 8.7 | mm |
| end chamfers | inside |
Oval duct transition fitting STL 3D file 23.1x11.7 mm to 19x18.9 mm – transition: 40 mm (📦 #7779)
1 object(s) - format STL
STL 3D file for an oval connector. Side A offers an internal cross-section of 23.1x11.7 mm (oval) and side B 19x18.9 mm (nearly circular). The sleeve on side A provides a useful length of 20 mm, and on side B 15 mm. The transition links the two ends over 40 mm, with a total overall length of 75 mm. Wall thickness is minimal at 1 mm. Internal chamfers are added at the ends to make assembly and duct insertion easier. An offset of 8.8 mm along the Z axis is applied to side B relative to side A.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 23.1 | mm |
| side A internal height | 11.7 | mm |
| sleeve length on side A | 20 | mm |
| side B internal width | 19 | mm |
| side B internal height | 18.9 | mm |
| sleeve length on side B | 15 | mm |
| thickness | 1 | mm |
| transition length | 40 | mm |
| Y offset | 0 | mm |
| Z offset | 8.8 | mm |
| end chamfers | inside |
Oval hose adapter STL 3D file 36.1x32.9 mm to 28.5x28.4 mm – transition: 20 mm (📦 #4833)
1 object(s) - format STL
Oval duct transition adapter available as a STL 3D file. The internal cross-section on side A is 36.1x32.9 mm (oval), while on side B it is 28.5x28.4 mm (nearly circular). The useful lengths are 22 mm (A) and 42 mm (B), respectively. The central transition occupies 20 mm, bringing the overall length to 84 mm. The internal edges at the ends are chamfered to help guide the duct during insertion.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 36.1 | mm |
| side A internal height | 32.9 | mm |
| sleeve length on side A | 22 | mm |
| side B internal width | 28.5 | mm |
| side B internal height | 28.4 | mm |
| sleeve length on side B | 42 | mm |
| thickness | 3 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval duct transition adapter STL file 52x40 mm to 44x43 mm – transition: 20 mm (📦 #6034)
1 object(s) - format STL
Oval hose adapter in STL 3D file format. On side A, the internal cross-section is 52x40 mm (oval), whereas on side B it is 44x43 mm (nearly circular). Each sleeve provides a useful length of 30 mm. Between the two sleeves, the transition runs over 20 mm, resulting in an overall length of 80 mm. Internal chamfers are added at the ends to make assembly and duct insertion easier.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 52 | mm |
| side A internal height | 40 | mm |
| sleeve length on side A | 30 | mm |
| side B internal width | 44 | mm |
| side B internal height | 43 | 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 |
Oval duct transition adapter STL 3D file 52x39 mm to 47x46 mm – transition: 20 mm (📦 #6016)
1 object(s) - format STL
Oval pipe adapter in STL 3D file format. The internal cross-section on side A is 52x39 mm (oval), while on side B it is 47x46 mm (nearly circular). The useful sleeve length is the same on both sides, 30 mm. The transition section is 20 mm long, for a final overall length of 80 mm. The internal edges at the ends are chamfered to help guide the duct during insertion.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 52 | mm |
| side A internal height | 39 | mm |
| sleeve length on side A | 30 | mm |
| side B internal width | 47 | mm |
| side B internal height | 46 | 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 |
Oval duct transition adapter STL file 80.1x80 mm to 80x40 mm – transition: 20 mm (📦 #4270)
1 object(s) - format STL
STL 3D file for an oval hose fitting. On side A, the internal cross-section is 80.1x80 mm (nearly circular), whereas on side B it is 80x40 mm (oval). The sleeve on side A provides a useful length of 5 mm, and on side B 10 mm. The transition section is 20 mm long, for a final overall length of 35 mm. The wall is on the thicker side at 4 mm. External chamfers at the ends help with engagement and assembly within the duct system.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 80.1 | mm |
| side A internal height | 80 | mm |
| sleeve length on side A | 5 | mm |
| side B internal width | 80 | mm |
| side B internal height | 40 | mm |
| sleeve length on side B | 10 | mm |
| thickness | 4 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | outside |
Oval duct transition adapter STL file 100x70 mm to 80x40 mm – transition: 20 mm (📦 #4452)
1 object(s) - format STL
Oval pipe adapter provided as a STL 3D file. The internal cross-section on side A is 100x70 mm, while on side B it is 80x40 mm. You get a sleeve of 5 mm on side A and 10 mm on side B. The transition section is 20 mm long, for a final overall length of 35 mm. The shell is relatively thick, with a wall thickness of 4 mm. External chamfers are added at the ends to make it easier to insert the adapter into ducts or hoses.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 100 | mm |
| side A internal height | 70 | mm |
| sleeve length on side A | 5 | mm |
| side B internal width | 80 | mm |
| side B internal height | 40 | mm |
| sleeve length on side B | 10 | mm |
| thickness | 4 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | outside |
Oval hose adapter STL 3D file 91x80 mm to 80x40 mm – transition: 20 mm (📦 #4450)
1 object(s) - format STL
Oval connector available as a STL 3D file. The internal cross-section on side A is 91x80 mm, while on side B it is 80x40 mm. The useful sleeve length on side A is 5 mm, while on side B it reaches 10 mm. The transition section between the two ends is 20 mm long, for an overall length of 35 mm (sleeve A, transition and sleeve B). The shell is relatively thick, with a wall thickness of 4 mm. External chamfers are added at the ends to make it easier to insert the adapter into ducts or hoses.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 91 | mm |
| side A internal height | 80 | mm |
| sleeve length on side A | 5 | mm |
| side B internal width | 80 | mm |
| side B internal height | 40 | mm |
| sleeve length on side B | 10 | mm |
| thickness | 4 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | outside |
Oval duct transition fitting STL file 100x80 mm to 80x40 mm – transition: 20 mm (📦 #4451)
1 object(s) - format STL
Oval pipe adapter provided as a STL 3D file. On side A, the internal cross-section is 100x80 mm, whereas on side B it is 80x40 mm. The sleeves also differ in useful length: 5 mm on side A and 10 mm on side B. Between the two sleeves, the transition runs over 20 mm, resulting in an overall length of 35 mm. With 4 mm of wall thickness, the adapter gains extra strength. External chamfers are added at the ends to make it easier to insert the adapter into ducts or hoses.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 100 | mm |
| side A internal height | 80 | mm |
| sleeve length on side A | 5 | mm |
| side B internal width | 80 | mm |
| side B internal height | 40 | mm |
| sleeve length on side B | 10 | mm |
| thickness | 4 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | outside |
Oval duct transition adapter STL file 43x35 mm to 58.1x58 mm – transition: 20 mm (📦 #5388)
1 object(s) - format STL
Oval coupling in STL 3D file format. Side A offers an internal cross-section of 43x35 mm (oval) and side B 58.1x58 mm (nearly circular). The useful lengths are 18 mm (A) and 25 mm (B), respectively. The transition section is 20 mm long, for a final overall length of 63 mm. The wall is on the thicker side at 4 mm. The internal chamfers help start the duct insertion more easily.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 43 | mm |
| side A internal height | 35 | mm |
| sleeve length on side A | 18 | mm |
| side B internal width | 58.1 | mm |
| side B internal height | 58 | mm |
| sleeve length on side B | 25 | mm |
| thickness | 4 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval duct transition adapter STL 3D file 160x37 mm to 45.1x45 mm – transition: 20 mm (📦 #5211)
1 object(s) - format STL
STL 3D file for an oval duct adapter. The internal cross-section on side A is 160x37 mm (oval), while on side B it is 45.1x45 mm (nearly circular). The useful length is consistent on both ends: 20 mm. The transition links the two ends over 20 mm, with a total overall length of 60 mm. External chamfers at the ends help with engagement and assembly within the duct system. Side B is offset by 10 mm along the Y axis relative to side A.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 160 | mm |
| side A internal height | 37 | mm |
| sleeve length on side A | 20 | mm |
| side B internal width | 45.1 | mm |
| side B internal height | 45 | mm |
| sleeve length on side B | 20 | mm |
| thickness | 3 | mm |
| transition length | 20 | mm |
| Y offset | 10 | mm |
| Z offset | 0 | mm |
| end chamfers | outside |
Oval hose adapter STL file 36.1x32.9 mm to 31.6x31.5 mm – transition: 20 mm (📦 #4829)
1 object(s) - format STL
Oval hose adapter available as a STL 3D file. The internal cross-section on side A is 36.1x32.9 mm (oval), while on side B it is 31.6x31.5 mm (nearly circular). Both sleeves share an identical useful length of 42 mm. The transition section is 20 mm long, for a final overall length of 104 mm. The internal edges at the ends are chamfered to help guide the duct during insertion.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 36.1 | mm |
| side A internal height | 32.9 | mm |
| sleeve length on side A | 42 | mm |
| side B internal width | 31.6 | mm |
| side B internal height | 31.5 | mm |
| sleeve length on side B | 42 | mm |
| thickness | 3 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval duct transition adapter STL 3D file 20.1x10 mm to 19.1x19 mm – transition: 100 mm (📦 #7574)
1 object(s) - format STL
STL 3D file for an oval adapter. On side A, the internal cross-section is 20.1x10 mm (oval), whereas on side B it is 19.1x19 mm (nearly circular). Each sleeve provides a useful length of 10 mm. The transition links the two ends over 100 mm, with a total overall length of 120 mm. The shell stays very lightweight, with only 1 mm of wall thickness. The internal edges at the ends are chamfered to help guide the duct during insertion. An offset of 10 mm along the Z axis is applied to side B relative to side A.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 20.1 | mm |
| side A internal height | 10 | mm |
| sleeve length on side A | 10 | mm |
| side B internal width | 19.1 | mm |
| side B internal height | 19 | mm |
| sleeve length on side B | 10 | mm |
| thickness | 1 | mm |
| transition length | 100 | mm |
| Y offset | 0 | mm |
| Z offset | 10 | mm |
| end chamfers | inside |
Oval duct transition adapter STL 3D file 140x40 mm to 130x35 mm – transition: 20 mm (📦 #4267)
1 object(s) - format STL
Oval hose fitting available as a STL 3D file. On side A, the internal cross-section is 140x40 mm, whereas on side B it is 130x35 mm. On side A, the sleeve is 8 mm long, and on side B 6 mm. The transition portion extends over 20 mm and the overall length, sleeves included, is 34 mm. Internal chamfers at the ends improve assembly and make insertion smoother.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 140 | mm |
| side A internal height | 40 | mm |
| sleeve length on side A | 8 | mm |
| side B internal width | 130 | mm |
| side B internal height | 35 | mm |
| sleeve length on side B | 6 | mm |
| thickness | 2 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval hose adapter STL 3D file 140x40 mm to 130x35 mm – transition: 40 mm (📦 #4268)
1 object(s) - format STL
Oval connector available as a STL 3D file. On side A, the internal cross-section is 140x40 mm, whereas on side B it is 130x35 mm. The useful sleeve length on side A is 8 mm, while on side B it reaches 6 mm. The transition section between the two ends is 40 mm long, for an overall length of 54 mm (sleeve A, transition and sleeve B). The internal edges at the ends are chamfered to help guide the duct during insertion.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 140 | mm |
| side A internal height | 40 | mm |
| sleeve length on side A | 8 | mm |
| side B internal width | 130 | mm |
| side B internal height | 35 | mm |
| sleeve length on side B | 6 | mm |
| thickness | 2 | mm |
| transition length | 40 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval hose adapter STL 3D file 140x50 mm to 130x35 mm – transition: 40 mm (📦 #4345)
1 object(s) - format STL
Oval connector available as a STL 3D file. On side A, the internal cross-section is 140x50 mm, whereas on side B it is 130x35 mm. You get a sleeve of 8 mm on side A and 6 mm on side B. The central transition occupies 40 mm, bringing the overall length to 54 mm. The internal chamfers help start the duct insertion more easily.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 140 | mm |
| side A internal height | 50 | mm |
| sleeve length on side A | 8 | mm |
| side B internal width | 130 | mm |
| side B internal height | 35 | mm |
| sleeve length on side B | 6 | mm |
| thickness | 2 | mm |
| transition length | 40 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval duct transition fitting STL file 100.1x100 mm to 80x40 mm – transition: 20 mm (📦 #4342)
1 object(s) - format STL
STL 3D file for an oval duct adapter. On side A, the internal cross-section is 100.1x100 mm (nearly circular), whereas on side B it is 80x40 mm (oval). You get a sleeve of 5 mm on side A and 10 mm on side B. The transition section is 20 mm long, for a final overall length of 35 mm. Wall thickness is generous (4 mm). External chamfers are added at the ends to make it easier to insert the adapter into ducts or hoses.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 100.1 | mm |
| side A internal height | 100 | mm |
| sleeve length on side A | 5 | mm |
| side B internal width | 80 | mm |
| side B internal height | 40 | mm |
| sleeve length on side B | 10 | mm |
| thickness | 4 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | outside |
Oval hose adapter STL 3D file 150x40 mm to 130x35 mm – transition: 40 mm (📦 #4453)
1 object(s) - format STL
Oval duct transition adapter in STL 3D file format. Side A offers an internal cross-section of 150x40 mm and side B 130x35 mm. The sleeve on side A provides a useful length of 8 mm, and on side B 6 mm. Between the two sleeves, the transition runs over 40 mm, resulting in an overall length of 54 mm. Internal chamfers at the ends improve assembly and make insertion smoother.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 150 | mm |
| side A internal height | 40 | mm |
| sleeve length on side A | 8 | mm |
| side B internal width | 130 | mm |
| side B internal height | 35 | mm |
| sleeve length on side B | 6 | mm |
| thickness | 2 | mm |
| transition length | 40 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval hose adapter STL 3D file 79x33 mm to 46x45 mm – transition: 20 mm (📦 #4245)
1 object(s) - format STL
Oval duct coupling provided as a STL 3D file. The internal cross-section on side A is 79x33 mm (oval), while on side B it is 46x45 mm (nearly circular). The useful sleeve length is the same on both sides, 10 mm. Between the two sleeves, the transition runs over 20 mm, resulting in an overall length of 40 mm. Both the inner and outer edges at the ends remain unchamfered.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 79 | mm |
| side A internal height | 33 | mm |
| sleeve length on side A | 10 | mm |
| side B internal width | 46 | mm |
| side B internal height | 45 | mm |
| sleeve length on side B | 10 | mm |
| thickness | 2 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | none |
Oval hose adapter STL file 30.7x30.6 mm to 30.7x12 mm – transition: 20 mm (📦 #7614)
1 object(s) - format STL
Oval coupling in STL 3D file format. The internal cross-section on side A is 30.7x30.6 mm (nearly circular), while on side B it is 30.7x12 mm (oval). The useful length is consistent on both ends: 20 mm. The central transition occupies 20 mm, bringing the overall length to 60 mm. The ends are straight, with no chamfer at all. Compared to side A, side B is shifted by 10 mm along the Z axis.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 30.7 | mm |
| side A internal height | 30.6 | mm |
| sleeve length on side A | 20 | mm |
| side B internal width | 30.7 | mm |
| side B internal height | 12 | mm |
| sleeve length on side B | 20 | mm |
| thickness | 2 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 10 | mm |
| end chamfers | none |
Hose-shaped reducer STL 3D file 140x80 mm to 130x35 mm – transition: 40 mm (📦 #4346)
1 object(s) - format STL
STL 3D file for an oval hose fitting. The internal cross-section on side A is 140x80 mm, while on side B it is 130x35 mm. You get a sleeve of 8 mm on side A and 6 mm on side B. The transition links the two ends over 40 mm, with a total overall length of 54 mm. Internal chamfers at the ends improve assembly and make insertion smoother.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 140 | mm |
| side A internal height | 80 | mm |
| sleeve length on side A | 8 | mm |
| side B internal width | 130 | mm |
| side B internal height | 35 | mm |
| sleeve length on side B | 6 | mm |
| thickness | 2 | mm |
| transition length | 40 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |
Oval duct transition fitting STL file 105x35 mm to 105x34 mm – transition: 20 mm (📦 #8809)
1 object(s) - format STL
Oval hose adapter provided as a STL 3D file. On side A, the internal cross-section is 105x35 mm, whereas on side B it is 105x34 mm. The useful sleeve length is the same on both sides, 40 mm. The transition links the two ends over 20 mm, with a total overall length of 100 mm. Internal chamfers are added at the ends to make assembly and duct insertion easier.
| Parameter | Value | Unit |
|---|---|---|
| side A internal width | 105 | mm |
| side A internal height | 35 | mm |
| sleeve length on side A | 40 | mm |
| side B internal width | 105 | mm |
| side B internal height | 34 | mm |
| sleeve length on side B | 40 | mm |
| thickness | 3 | mm |
| transition length | 20 | mm |
| Y offset | 0 | mm |
| Z offset | 0 | mm |
| end chamfers | inside |