It should have a nice internal nozzle shape like the picture in THIS guide.
DidierKlein 729
Either you pull at a too hot temp or too slowly, the cold pull must be done quickly with a firm pull
Thanks for the answers. I only use PLA and I pull it at 90 degeree but i might pull it too slow. I will try it faster 
The "bubbles" you see at the side of the plug can also be because material is oozing as you're waiting for the nozzle to cool down. I usually keep a slight bit of pressure on the filament during the cool down so that the chamber remains full until the material is no longer oozing out.
Hello there,
I think I'm doing it better now. Now it looks like this
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Here it is. The new UltiMaker S7
MariMakes posted a topic in Official news,
The UltiMaker S7 is built on the success of the UltiMaker S5 and its design decisions were heavily based on feedback from customers.
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The obvious change is the S7’s height. It now includes an integrated Air Manager. This filters the exhaust air of every print and also improves build temperature stability. To further enclose the build chamber the S7 only has one magnetically latched door.
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Cura 5.3 Alpha With New Tree Support 🎄
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Are you a fan of tree support, but dislike the removal process and the amount of filament it uses? Then we would like to invite you to try this special release of UltiMaker Cura. Brought to you by our special community contributor @thomasrahm
We generated a special version of Cura 5.2 called 5.3.0 Alpha + Xmas. The only changes we introduced compared to UltiMaker Cura 5.2.1 are those which are needed for the new supports. So keep in mind, this is not a sneak peek for Cura 5.3 (there are some really cool new features coming up) but a spotlight release highlighting this new version of tree supports.-
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New here? Get ahead with a free onboarding course
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Hi,
Often getting started is the most difficult part of any process. A good start sets you up for success and saves you time and energy that could be spent elsewhere. That is why we have a onboarding course ready for
Ultimaker S5 Pro Bundle, Ultimaker S5, Ultimaker S3 Ultimaker 2+ Connect.
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Labern 772
looks like it is stretching as you pull
try and let it cool down a bit more then pull.
what temp are you pulling at? i pull at 70deg for pla
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