Popular fittings › Window exhaust insert
Window exhaust insert
A window insert with perimeter rim, mounting holes and a hose outlet. Size the panel to your window and print it.
Open in the designer →
Opens with the sizes below. Change anything, then export 3MF, STL or STEP. Free, no account, runs in your browser.
Starting sizes
| End | Inner size | Connection |
|---|---|---|
| Exhaust | 100 mm (3.94 in) | Smooth sleeve |
Need another size? Every dimension is editable in the designer, in millimetres or inches.
What it is
A flat panel that fills the gap of a slightly opened window, with a rim, mounting holes and a hose outlet you can size and place.
How to measure
Open the window to the gap you want and measure its width and height. Set the panel slightly smaller so it drops in. For each end, measure the hose, pipe or port it joins with calipers. If that part slides into the fitting, measure its outside diameter and keep “Measure by: Inner diameter”. If the fitting slides into a hose, measure the hose’s inside diameter and switch to “Outer diameter”. Measure twice across the circle; flexible hose is rarely perfectly round.
Print tips
- The export already places every component in its recommended print orientation. Keep supports off sleeves, sockets and any sliding or tight-fit surface so they stay smooth; if your slicer asks for supports, paint them only where an outside overhang needs them.
- Print in PETG or ASA if the air is warm or the part sits in the sun.
Frequently asked questions
- What size should I measure?
- Open the window to the gap you want and measure its width and height. Set the panel slightly smaller so it drops in. For each end, measure the hose, pipe or port it joins with calipers. If that part slides into the fitting, measure its outside diameter and keep “Measure by: Inner diameter”. If the fitting slides into a hose, measure the hose’s inside diameter and switch to “Outer diameter”. Measure twice across the circle; flexible hose is rarely perfectly round.
- What should I print it in?
- PLA or PETG both work for dust collection at room temperature. Print in PETG or ASA if the air is warm or the part sits in the sun. Use 3–4 perimeters for an airtight wall; infill matters much less than wall count for ducts.
- What hardware do I need to buy?
- Nothing is required at these starting sizes: it prints in one piece. A hose clamp is optional if a hose feels loose.
- Does it need supports?
- The export already places every component in its recommended print orientation. Keep supports off sleeves, sockets and any sliding or tight-fit surface so they stay smooth; if your slicer asks for supports, paint them only where an outside overhang needs them.
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