BentoBox v2 Sideways Duct – split airflow for LACK & tight enclosures
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Drop-in BentoBox v2 duct that splits airflow out of both ends, so exhaust runs along the enclosure wall, not at the bed.
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Model information
- Source
- Printables
- Category
- Accessories
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
Designed to fit the BentoBox v2.0 by ThrutheFrame, posted with the designer’s permission. You’ll need the main project for everything else.
Why: standing the BentoBox in an IKEA LACK enclosure, the standard duct blew warm air across the bed. This version sends it out of both sides, so you can stand the filter against a side wall.
Hardware: 4× M3 heat-set inserts (5mm OD, 5mm long). The same 4 fan screws (M3×25) as the original, going through the fan and fan case into the duct.
If you don't want to use the inserts, I've put a 2.5mm hole under the insert holes. Drill it with a 2.5mm drill and use a M3 tap. You'll need to use M3x30mm screws.
Printing: PETG or ASA, 0.2mm layers, 3 perimeters, 15–20% infill, no supports, print base-down as oriented. Although you can put supports in the arches if it makes you feel better!