I used:

Code: Select all

.\SweetHome3D.exe -Dpng.compression=0

Sorry, I forgot to mention Java properties cannot be set this way when running SH3D from the exe.
You have to create a configuration file named "SweetHome3D.l4j.ini" within the same directory where the exe is located (i.e. C:\Program Files\Sweet Home 3D) with the following content: