Coreform Cubit tutorials

Get help with installation, learn how to use Coreform Cubit features, or follow a PDF tutorial at your own pace using the example files provided below.

We are in the process of transitioning our tutorial content from the Trelis brand to the Coreform Cubit brand. Outside that naming change, the Trelis tutorials are still accurate.

Getting started


Installation — Standalone

Instructions for installing a node-locked license of Coreform Cubit on a standalone computer.

Installation — Network

Instructions for installing a floating license of Coreform Cubit on a network.


Coreform Cubit Introduction

Overview of the Coreform Cubit GUI, including toolbars, command panels, etc.

Video tutorials

Visit the Coreform YouTube channel for more videos.

ITEM Wizard

Using the ITEM Wizard to guide you through the meshing process from importing to preparation to exporting.


Creating meshable volumes in Coreform Cubit.

Extended Selection

Using Python to create filters for the Extended Selection tool.


Using power tools to clean up a model in preparation for meshing.

Cube With Hollow Sphere

Using symmetry to mesh a cube volume that has a hollow sphere inside.

Boolean Operations

Using powerful Boolean operations to intersect, subtract, and unite volumes in Coreform Cubit.

Journal Files

Understanding the powerful use of journal files to save and share Coreform Cubit commands.

IDless Journal Files

Sandia National Laboratories' Cubit tutorial on using IDLess journal files. Applicable to Coreform Cubit.

Vertex Types

Sandia National Laboratories' Cubit tutorial on vertex types. Applicable to Coreform Cubit.
Sample files: example19_1.cub, example19_2.cub


Sandia National Laboratories' Cubit tutorial on pillowing. Applicable to Coreform Cubit.
Sample files: example20_1.cub, example20_2.cub

Localizing the GUI

Create Qt translation source and message files for localizing the Coreform Cubit GUI, such as changing menus, tooltips, and prompts to another language.

X-ray Selection

Using X-Ray selection to select entities that are hidden behind other entities.

Partial Sphere

One method for meshing a partial sphere using Coreform Cubit.


Using the midsurface command to create multisurfaces midway between pairs of surfaces.

Import/Export Toolbars

Custom toolbars can be shared with other Coreform Cubit users.

Suggest a Video

Want to learn more about using Coreform Cubit? Suggest a video tutorial.

Step-by-step tutorials

Coreform Forum

Take advantage of this great resource to find answers and post questions. about geometry, meshing, importing/exporting, and more.