[img]http://[/img] I have the same problem. The latest version of the program. In the 3D window I see black planes instead of a beautiful 3D view as in the video. https://ibb.co/m51RB7T https://ibb.co/HgsKzgL
I think the problem is with the AMD Radeon (TM) RX Vega 11 Graphics, I tried it on another computer with a different video card, it's fine there.
I installed the latest AMD driver but that didn't help.
I think that 64, that's what it says - Sweet Home 3D ® Version 7.0.2i
OpenJDK version 11.0.10 - 64bit - 0.1/2 GB provided by Azul Systems, Inc. Java 3D version 1.6.2a - JOGL 2.4.0-rc-20210111 provided by JogAmp Community PDF provided by iText SVG export provided by FreeHEP Photorealistic rendering provided by SunFlow and YafaRay