Solder Fume Extractor
Description
***Do Not Print Full Extractor OBJ File - That's just there for the assembled 3D thumbnail. This is a fume extractor, mainly for soldering but could be used for other things as well. I tested mine with my (tobacco) smoking pipe. I designed this to accept 120mm fans, both the regular computer case fans, and the 5v ones on Amazon that come with grills, rubber pads and the built in hi/low on/off switch. These are great because 5v means you can run them off pretty much any phone charge plugged into the wall. You can either drop the all-in-one fan into the back and snap it shut, or if using a standard computer fan you can screw it to the back plate and snap it in as well. The main housing has slots in the back for the legs to attach, or, it can just sit flat/level without legs. Though for vibration I recommend sticking small rubber feet/pads on the corners. The filter is in 2 parts. Just cut a piece of 5mm thick carbon filter sheetto fit, and it should sandwich in the middle and slide into the slot on the top. Print wise... I used Cura and these basic settings Housing - Standard, 20% infill, 1.2mm walls, Tree Support enabled. The wall angles on the outside don't need support just the insides. I found the best way to print was to lay the back flat on the ground and the opening facing up. Regular supports gave me issues when it came to printing the 2 ridges inside that hold the grill in place. The supports didn't stick to the angled walls and just printed a mess in mid-air. Tree support should fix that but if needed I do have a version that fixes that ridge issue by making the one much wider and thicker. Backplate - Standard, 100% infill, 2-3mm walls, Tree Support. Print flat on it's back, the plate is 3mm thick (2mm was too floppy) and just print solid, otherwise the snap hooks won't be as strong. Grill - Standard, 20% infill, 1.2mm walls, Support enabled. Support is just for the thumb tabs for pulling the filter out since best to print flat on it's back. I also enabled a brim inside and outside but might just be my printer, it's been warping stuff lately. Legs - Standard, 10% infill, 3mm walls, Tree Support. I found the best print for this is standing right up else you get support material in between the two mount plates and hard to remove with stuff left behind, then need sand paper and such. Stand them up, and put the large flat surfaces 2mm apart, then the tree is very small and makes the print faster. The insides don't need a lot of fill at all, can probably use 5-7%. You just need thick walls to keep it solid and not have the mounts break. Hopefully this gibberish makes sense.... if not, just ask. Update: Frame for filer reduced slightly on the sides and thickness because it fit just a bit too tightly. Also make the tabs full thickness so no need for supports at all for the grill(s).
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