Fume extractor with common 120mm computer fan
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I make this Fume Extractor with our extra PC fan. I can extract the fume well within 10cm. And it is quiet.
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- Creative Commons — Attribution
We didn't bring our fume extractor. And it take a long time for us to consider what is suitable for the workbench. Since it still need to take more time to select a nice commercial one. How about just build one for minimum requirement for current need with the materials I can find in our office. So it comes out this one is not too bad. It can extract the fume within 5~10cm.
parts
- 120mm X 120 mm 12V PC cooler fan (we just have extra one in office)
- screw nuts and M3 screws for assemble
- led strips for working, I mount the 5v led strip and it is ok. but later I just solder some 3528 warm white leds plus resistors on the perfboard and adjust its power input to meet the same 12V DC power.
- 12 DC power supply (if I have time, I can try to dig the unsorted components bags to find the dc/dc boost chips to build a board to boost 5V to 12V in the future. )
- carbon filter (I use the one I got in the DIY market which is 1mm thickness big sheet, and I cut them in to 2 pieces to make it thicker for the filter)
3d printing parts
1 pc fan frame.stl -- required
1 pc filter spacer.stl --required
1pc fan stand (R)--required
1pc fan stand (L)--required
1pc stand bottom(Bot) --required
1pc led strip holder-R --optional, if you don't need to mount the led, can skip it
1pc led strip holder-L --optional, if you don't need to mount the led, can skip it
some cable holders--optional, if you don't need to hold the cables, can skip it. it is a little too small for my fan, so i skip it. There are holes on the fan stands, it is easy for me to mount convert pcb or others in the future.
