I hope that there is an answer...
I've noticed that there is no way to put gradient fill simply from saving to GDL.
Pity. I prepare furniture library for interior designers - it will be nice to made their 2d symbols more graphic.
Best
Rafał
//Archicad since 4.1 version
//MacBook Pro Tahoe/Retina 2019/2.4 GHz/Intel Core i9/32GB RAM/Radeon Pro 5500M 4GB/
//MSI AMD Ryzen AI 9/2.5GHz/32GB/Nvidia RTX 5070 Ti/Windows 11 Pro
//ArchiCAD Collaborate