Lasko 20" Box Fan Shroud (1/8th)
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A shroud for a Lasko box fan, specifically for Corsi-Rosenthal box style air filters.
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Model information
- Source
- Printables
- Category
- Home Medical Tools
- License
- Creative Commons — Public Domain
Really, you shouldn't print this. Make it from cardboard or similar. I wanted to try and learn FreeCAD and use up some ancient filament, so figured “why not”.
If you do want to print this, I'd suggest printing 4 with one side facing up and 4 with the other side facing up. As half of them need to be flipped, you can end up with different surfaces visible on top. I did not do this, and there's a stark difference between the shiny top side and the textured bottom side.
The material and thickness isn't particularly relevant other than it being air tight. I printed 2 thick layers and it seems to work. I used TPU because it's fun and I wanted to use it up. I taped the pieces together.
Inspired by https://cleanaircrew.org/ufaq/how-to-build-the-shroud/, the specific product I purchased is: https://www.homedepot.ca/product/lasko-20-inch-box-fan/1000682449