how to create a black background in a glb file

Hi everybody,

i´m bueilding a nice configurator for customer….no problems with that so far…

Setting it up with 3dmax und doing all the rest with verge3d.
The configurator is implemented in “Shopify” through an external link.
Works nicely since its only meant to look without any further activity directly with shopify.

But!!!!!

my customer wants his products as well as GLB files to be implemented on his shopify page as well….
This works nicely as well….

But..now we get to the problem….
I export the glb files with the babylon exporter….
No problem so far…except for the fact that the background is white.
There is no visible floor or background needed….just the 3D modell on a black background….

I tried several editors to solve the problem….didn´t work

anyone has an idea to solve this issue?

Greets Ger