Reddit mentions of Kamo 5PCS 0.4mm Drill Bits for 3D MakerBot Printer Nozzle Cleaning Kit

First: That filament is on amazon for a couple bucks less:

https://smile.amazon.com/Filabot-T6451-Taulman-Nylon-Filament/dp/B00TOOBUA2/

Second, I'd ask your sister for more information on what printer he has. But I'll make a few wild speculations based on the filament linked and the brief description.

Hobbyist, 1.75 mm nylon, possibly no heated bed, probably 0.4 mm nozzle,

https://smile.amazon.com/0-4mm-MakerBot-Printer-Nozzle-Cleaning/dp/B00MQKW230/ - Good for cleaning 0.4 mm nozzles

https://smile.amazon.com/HATCHBOX-3D-Filament-Dimension-Accuracy/dp/B01DWMMJTW/ - Everybody wants to try GitD at least once. Some people have shown that printing with it can reduce the lifetime of the nozzle.

https://smile.amazon.com/MG-Chemicals-Printer-Filament-1-75mm/dp/B018MG4SFQ/ - same thing with wood filament

https://smile.amazon.com/10-100pcs-Neodymium-Strong-Magnets-MarbellStore/dp/B01LYFG2F3 - You can usually find a reason to throw a magnet inside a 3D print. This particular one won't ship before Christmas, but you can probably find some locally.

https://www.adafruit.com/products/3055 - Raspberry Pi can always be thrown into a project of some sort.

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Finally, some older links:

https://www.reddit.com/r/3Dprinting/comments/22hh2q/i_have_a_rostock_kit_on_the_waywhat_accessories/

https://www.reddit.com/r/3Dprinting/comments/3u3v3h/3d_printing_holiday_gift_guide_what_3d_printers/

https://www.reddit.com/r/3Dprinting/comments/3bmpam/what_accessories_should_every_3d_printing_maker/

https://www.reddit.com/r/3Dprinting/comments/3w1r7q/just_bought_a_printer_heres_a_list_of_the_tools/

I use Kamo 5PCS 0.4mm Drill Bits for 3D MakerBot Printer Nozzle Cleaning Kit $7.00 always when the hot end was hot. But since I started removing the filament when I was done with the printer for the next few hours, I've not had any need to use them. Not a single clog.

Yeah everything looks right in there. I still think its a clog. If turning up the heat made the quality better, that indicates a flow issue. I would bet if you turned the speed to like 30, it would be better as well. Clog can be a misnomer, as you can still have decent flow, but not perfect flow with a clog. Get a set of these to help if needed. I used the lead on a resistor for a while but its not exactly .4mm.

I had a pesky clog that wouldn't come out. What I ended up doing was heat up the machine, push a bit of filament, ream the drill bit in and out and twisting the whole time. I felt something come loose but it still wasn't 100%, even after pulling the filament. So then I put the drill bit in about 1-2mm and cooled down the hot end while spinning the bit the whole time so the plastic wouldn't catch it. Then at around 100C I pulled out the drill bit and pulled the filament out. This was so I could be sure that the clogging element didn't seat itself in the exit and resist coming out with the rest of the filament. Since then, i've been golden.

Ok so get a really thin sewing or hypodermic needle and carefully put it into the nozzles end, if it doesn’t fit, don’t force it. I’ll link a thing for that specifically in just a second.

Edit:ok here you go.
eBay: https://m.ebay.com/itm/8pcs-Nozzle-Cleaning-Needle-0-2-0-25-0-3-0-35mm-3D-printer-Cleaning-Needles-/222630788518

Amazon: https://www.amazon.com/gp/aw/d/B00MQKW230/ref=pd_aw_sim_229_1?ie=UTF8&psc=1&refRID=VV7QD5F4WX772BSX6J10&dpPl=1&dpID=617jklFtJDL

Wiki is: http://mpselectmini.com/

Some items I bought from Amazon (don't buy the hot end pieces if you have a V2. They changed the hot end to an all metal one):

https://www.amazon.com/gp/product/B00WE1A3D2/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
https://www.amazon.com/gp/product/B00T2DNKJY/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1
https://smile.amazon.com/gp/product/B01LAYCRAA/ref=oh_aui_detailpage_o07_s00?ie=UTF8&psc=1
https://smile.amazon.com/gp/product/B00L4UXQ42/ref=oh_aui_detailpage_o08_s00?ie=UTF8&psc=1
V
https://smile.amazon.com/gp/product/B00MQKW230/ref=oh_aui_detailpage_o09_s01?ie=UTF8&psc=1
https://smile.amazon.com/gp/product/B01A81FXMK/ref=oh_aui_detailpage_o05_s00?ie=UTF8&psc=1
https://smile.amazon.com/gp/product/B01ACIFPYA/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1

Even ones like these? https://www.amazon.com/0-4mm-MakerBot-Printer-Nozzle-Cleaning/dp/B00MQKW230

Does what you link totally replace the stock assembly? The nozzle goes up into some kind of block that appears to have tape around it. Will I need to rethread everything through that? I was unable to get the nozzle out of that block (I tried). Is there a trick to that?

And would these work to get the piece of metal out? https://www.amazon.com/0-4mm-MakerBot-Printer-Nozzle-Cleaning/dp/B00MQKW230/ref=pd_bxgy_328_2?ie=UTF8&psc=1&refRID=7BCEZ83W2VV756AWMCFZ or are they too thick?