Thanks for your tests [:)]

The DirectX version of Java 3D requires to run Sweet Home 3D in 32 bit.
Isn't it a problem under ARM64?
Did you run Sweet Home 3D with its JAR Executable version or from the installer running with [font=courier new]/j3d.version=1.5.2 /os.arch=x86[/font] flags and a [font=courier new]SweetHome3D.l4j.ini[/font] file containing DirectX properties placed in Sweet Home 3D installation folder?