Soldering fume extractor (8020 fan)

Print all parts following the instructions noted on each file, only one copy of each file is needed.

Assembly:

1. Cut the filter to size, you can use the filter cover as a guide.
2. Place the 2 M5 bolts on the sides of the fan case, where the hex holes.
3. Sandwich the fan and the filter between the fan case, the funnel and the filter cover  cover using the M4 bolts, washers and nuts and get the fan cables through the hole. Design is reversible, so you can either have the filter in the front or the back.
4. Hold the legs in place using the M5 bolts previously asembled in the case and the M5 washers and wing nuts, make sure the hole for the wires is facing down.
5. Insert the threaded inserts for holding the PWM controller in place, assemble the DC jack, switch and PWM.
6. Screw the legs to the base using 4 2x6mm screws on each leg, make sure holes for the switch and PWM are facing front. Get the fan cables through the hole.
7. Wire everything (wiring diagram attached)
8. Close the base using the base cover and 4 2x6mm screws.

BOM: 

Aliexpress links for the material I purchased there, some material was reused or bought in a hardware store

Electronics

• 1x 8020 12V pc fan
• 1x 12V power brick
• 1x 5.5x2.1mm DC barrel jack (https://a.aliexpress.com/_EH1MmB2)
• 1x 21x15 switch (https://a.aliexpress.com/_EGhsBS4)
• 1x PWM controller (https://a.aliexpress.com/_EIF4c1O)

For the legs and base cover

• 12x 2x6mm pan head screws

For the PWM controller

• 2(or 4)x M3x4.2x4 thread inserts (https://a.aliexpress.com/_EJ4MrZ2)
• 2(or 4)x M3x5 or M3x6 bolts

For the fan case

• 4x M4x40 (or longer) bolts (recommended pan head)
• 4x M4 washers
• 4x M4 nuts
• 1x 5mm active carbon filter (https://a.aliexpress.com/_EzLEWJi)

For holding the fan case to the legs

• 2x M5x12 (or longer) hex head bolts
• 2x M5 washers
• 2x M5 wing nuts