Frequently asked questions

I have trouble connecting Ultimaker Cura to my Ultimaker 3 over the network, what should I do?

Follow the instructions on network troubleshooting here.

Which platforms are supported by Ultimaker Cura?

Ultimaker Cura supports the most common versions of Windows, Mac and Linux. For a complete list, click here.

What are the system requirements to run Ultimaker Cura?

The minimum system requirements can be found here.

Does Ultimaker Cura support multi-core threading?

Multi-core threading is currently only supported on Windows.

How do I perform an update for Ultimaker Cura?

Ultimaker Cura informs the user when a new version is available through a pop-up notification on the bottom of the screen. Click the download link in the pop-up, or download the latest version manually here.

Ultimaker Cura can’t be opened because it is from an unidentified developer, what do I do now?

The solution to this Mac issue can be found here.

What file formats does Ultimaker Cura support?

Ultimaker Cura supports the following 3D file formats: 3MF, OBJ and STL. The 2D image file types supported are: BMP, GIF, JPG and PNG.

Which third party printers are supported by Ultimaker Cura?

A full list of the 3D printers supported by Ultimaker Cura can be found in the Ultimaker Cura settings under Settings > Add printer > Other.

How do I reset Ultimaker Cura to its factory settings?

It might be useful to reset Ultimaker Cura and start fresh, for example, when using it for demo purposes. Read how to do that here.

How do I update my Ultimaker firmware?

How to update the Ultimaker firmware is described here.

How do I add my Delta printer in Ultimaker Cura?

Add a custom FFF printer and enable Build plate shape = Elliptic in the machine settings. Read how to do that here.

Why is the Ultimaker Cura 3D viewer slow on my MacBook with Retina display?

Mac systems with Retina display open in high resolution by default, which in some cases leads to performance issues. Read how to resolve that issue here.

Why is my wireprint not visible in layer view?

Since wireprint is an experimental way of printing on multiple Z-heights per layer, this feature is not visible in the layer view.

Why can’t I use special characters like !,@,& in my GCODE filename?

The operating system(s) prevent the user from using special characters because they are used in system-specific files.

Why is my build plate showing a grey border and why can’t I place my model here?

The grey borders on the edges of the build plate are a visualization of the non-printable areas, such as bed clips, prime tower, prime position, and platform adhesion settings.

How do I change my slice settings at a certain height? (Tweak at Z)

The slice settings can be changed per height using post processing plugins. These plugins can be found here.

Why is Ultimaker Cura constantly slicing?

Ultimaker Cura uses automatic slicing to deliver information to the engine as fast as possible, read more about that here.

Where did my old Ultimaker Cura 15.04 profiles go?

The new profile system can convert your old profiles to new ones, which is explained more here.

Why does my profile change when I change my 3D printer type?

The Ultimaker Cura profiles are machine specific. Get tips on how to use them to your advantage here.

What is the best and quickest way to open files in Ultimaker Cura?

Read all the options about load files into Ultimaker Cura here.