New product from Rallec Railroad. 3D printed, ABS, factory window with brick facade. Brick facade outer dimensions: 4.89" x 4.21" x .225". Total window size is: 4.19" x3.12" x .114". 12 panes arranged 3 across by 4 down with each pane opening .87 x .82". White ABS takes color the best. Different sizes available on request.