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Looks like a huge 3d printer. What is the print volume?

Yes it is a huge 3D printer. It was not so cheap but the money is good invested!

The print volume is about 500x500x500mm

Nice !
Waiting to see what kinds of designs you can make with that kind of build volume !

My first print wasn´t so good.... I have to edit some settings..

persevere !

I'm sure you'll make great things. Don't hesitate to make a post walking us through how the first print failed and what you learned from it, your design process, etc..
Those are always useful for us other 3D printing aficionados :)

First prints are very seldom very good, for a number of reasons – but largely because an individual installation of a printer has a lot of variables. How it's seated, what the airflow is like around it. How warm the room is. How quickly the room warms up once the printer gets going. The moisture level of the filament that you're using. The moisture level of the air in the room.

And for all of these things you can adjust various variables within the printing process itself, from the temperature of extrusion to the rate of extrusion to the rate of retraction to the retraction distance – there are a lot of things.

So first prints are usually not very good at all. Which is generally why we don't start with 19 hour prints.

I generally start with something that takes less than 30 minutes, just to make sure that I have my calibration in my first layers generally ready to go, and then I move on to more complicated pieces which take more time before I know if they have failed. Early on with a new printer you want to fail early and fail often if you're going to fail at all.

You will get it eventually! The CR 10 is extremely well regarded, so you're starting from a good place.

Yes this experience i made. Like I told I have to try some things out :) The problem about is that I do not have so much time to play around with the settings. I will post to you when my print results are good and I show you how it works :)