Export a PNG with transparent background from Blender

By default, Blender doesn't include transparency within a render. Enabling transparency is very easy and is done so via a single checkbox. Details below...
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Within the Render Properties tab of the Properties panel is a Film section which contains a Transparent checkbox. Turning this option on enables transparency. The view within the 3D Viewport generally remains unchanged. However, if the Viewport Shading mode is set to Rendered, the otherwise solid background becomes a checkerboard pattern.

With the Transparent checkbox enabled, a checkerboard pattern should be visible in any render (Render - Render Image). When saving a render (Image - Save), the default settings of PNG for File Format and RGBA for Color will export out an image that honours any transparency.

Designers will frequently light their scenes within Blender using an HDRI image. This is achieved by adding an Environment Texture within the Color section of the World Properties tab within the Properties panel. To stop the HDRI from rendering, do as was described above and activate the Transparent checkbox within the Film section of the Render Properties tab of the Properties panel.

Видео Export a PNG with transparent background from Blender канала Michael Bullo