As the doorOrWindowCutOutShape# property is new, it's not managed by the Furniture Library Editor, but the current beta version of the Editor does manage it]

So far so good and sh3d_4.2_b9 works well. Tested a window that needs SVG path. Result: this urban window works as intended in 4.0_b9 (auto cutout cannot work because it is different from window shape).


Model with properties in this library - library edited and works well with the beta version of the Editor - albeit with cut-out and window ledges added manually... (and example .sh3d file for 4.2 +, obviously the cut-out makes it useless in earlier versions < 4.2.)

ok

PS I am sure you know the cutout does not work on arched walls (but I guess it would be near impossible to make it work...)