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Window Exhaust for Mobile Air Conditioner
IP Report
Print Profile(1)

0.2mm layer, 2 walls, 8% infill
Designer
75.6 h
9 plates
Open in Bambu Studio
Boost
75
244
3
4
219
28
Released
Description
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Modular Roller Shutter System with Adapter Connection and Backdraft Louvers for Open Windows (ALM-174)
This project presents a modular, fully 3D-printed window adapter for mobile air conditioners. Designed for windows with roller shutter guides (3 cm deep) and a total width of 174 cm. The system combines precision fit, thermal efficiency, and lasting stability.
📐 Technical Details
- Segment Count: 7 standard segments at 205 × 240 mm
- Adapter Segment: 230 mm wide, with an OVAL opening for the original adapter (snaps in)
- Connecting Segment: 200 mm wide, for fine adjustment of the total length
- Height of all Modules: 240 mm
- Connection System: Tongue and groove
- Backdraft Flap: ball-bearing louvers, purely mechanical (gravity closure), primarily rain protection + slight backflow prevention
- Material: Everything printed in ABS (black), then painted with white heat-resistant paint
- Recommendation: Print directly in light colors and use ASA (UV and heat resistant)
🧪 Thermal Background
The system reduces heat ingress through:
- White outer surface (reflection of infrared radiation)
- Seamless connection (prevention of convection)
- Segmented structure (minimal heat conduction)
The louver flap primarily serves as rain protection, but also helps slightly against backflow of hot air.
🧰 Assembly Instructions
- Top and bottom of each segment are cold-welded (ABS + acetone slurry)
→ Unevenness can be compensated for in this way - Tongue and groove system: cleanly connectable with good printing
→ Alternatively glue or secure with screws (drill holes in tongue and groove) - Sealing: Self-adhesive insulation tape from the hardware store recommended
- Adapter connection: The original oval adapter fits exactly into the receptacle, no module for round hose planned (on request if necessary)
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License
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