Here is another good source of free and paid 3D assets including textures, models, HDR images and brushes.
Poliigon – Assets for achieving photorealism
Texture Libraries
The best websites to get free textures for your 3D artwork, plus a free 3D textures starter pack.
KeyShot Plugins
KeyShot has plugins available that allow you to directly transfer CAD files from SolidWorks, Fusion 360, Maya, etc into Keyshot 9. Use this link to download and install the plugins: https://luxion.atlassian.net/wiki/spaces/KP/overview
Converting Texture Files
This tutorial covers how to properly setup geometry so it can be used in augmented reality, virtual reality and online, interactive presentations. A big aspect of this is converting projection maps (labels) to file textures.
To access the tutorial, either click on the thumbnail image or click here:
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Maya – Working with Primitive Polygons
From the menu, go to Create > Polygons Primitives > Cube. Go through this tutorial for more details.
Maya – Setting up the Final Gather
This tutorial shows you how to render using mental ray’s final gather. It requires several steps to setup properly.
Maya – Render Settings
Open the Render Setting window by clicking on its icon in the top tool bar. Go through this tutorial for more details.
Maya – Render Quality
As you near completing a rendering, make sure to render it with higher quality settings. This tutorial shows you how.
Maya – Importing & Converting CAD Data to Polygons
This tutorial shows you how to render efficiently (speed & minimum issues). It is best to convert CAD data from surface/solid data to polygons.
Maya – Assigning and Editing Materials
This tutorial will go through setting up mental ray specific shaders called “mia” materials.