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Ultimaker Cura 4.3: Available now

We’ve released a new upgrade of our print preparation software. Join millions of users worldwide and benefit from an advanced slicing engine that offers integration with the Ultimaker Marketplace, and a cloud-connected workflow for ultimate flexibility. Validate your concepts faster with expanded compatibility with popular 3D file formats, quickly and easily orient your models on the build plate, maximize detail quality with automatic recognition of small features – and more. Don’t miss out! Update today.

Ultimaker S3. This release includes a new profile for our latest S-line 3D printer: the
Ultimaker S3, which we officially announced at TCT today. Learn more about the Ultimaker S3 by reading the blog.

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The Ultimaker S3 build plate

Ultimaker S5 Pro Bundle. At TCT we announced the Ultimaker S5 Pro Bundle, which is fully integrated into this version of Ultimaker Cura, as well as Ultimaker Connect and Ultimaker Cloud. An Ultimaker S5 connected with a Material Station will show all available material combinations in the configuration selector. Learn more about the Ultimaker S5 Pro Bundle in the blog.

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Material combinations displayed when the Ultimaker S5 is connected to the Material Station

More 3D file formats. Ultimaker Cura 4.3 is compatible with even more 3D file formats than
before, allowing you to integrate CAD software, 3D scanning software, and 3D modeling software into your workflow with ease. Natively open Collada, GLTF, OpenCTM, and PLY formats, to name a few. Downloading plugins from the Ultimaker Marketplace brings in support for many more.

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Open more 3D file formats in this version, including Collada

Align faces to the build plate. Orienting your models with the rotation tool or the lay flat tool can be a hassle with complex geometries. This new time-saving feature lets you select a face of your model to rest on the build plate, so you can get the orientation you need quickly and easily.

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Align faces to the build plate easier than before

Support infill/interface line directions. Improve reliability with more precise control over certain aspects of your print. Choose the angle that support-infill and interfaces print at, thanks to a contribution from vgribinchuck. Input a set of angles you want lines generated at, and these will be placed sequentially throughout your 3D print. 

Randomize infill start. Randomize which infill line is printed first. This reduces weak points in your model, at the cost of an additional travel move. 

Print small features slower. Smartavionics has contributed a setting which recognizes small perimeters and reduces print speed in order to boost the reliability and accuracy of small printed features. This is especially useful for small perimeters such as printed holes, as they tend to get ripped away from the build plate easily due to their low contact area. 

Easy selector for z seam positions. Z seams are now easier to position on your model, thanks to a contribution by trouch. A drop down selection box has been added to custom mode, giving you a list of presets to place the z seam on your model. 

Colorblind assist theme. Nubnubbud has added a new theme for colorblind users which makes more distinction between colors, such as the yellow/green line colors in the layer view. 

Bug fixes

This version addresses a number of issues from previous versions, including tray icons remaining after application close, silent mode installation and uninstallation, ‘arrange all models’ and much more. Read the release notes for a full rundown of changes.

Download now

All of these features and more are available in Ultimaker Cura 4.3 today. Download it now and get the most modern 3D printing workflow available. Tell us what you think on the forum.

Download Ultimaker Cura 4.3
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Level-up your slicing skills

Free Ultimaker Cura Masterclass

Get deep insights from Ultimaker experts to improve your print preparation workflow, including:

• When to use per-object settings and modifier meshes

• How to optimize print profile settings

• Best practices for strengthening holes

• And lots more handy tips and tricks!

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