Use a good glass knife to cut out the size you want directly and then knock off the cut part; You can move the size to the big cut first!
There are trap door tools for cutting glass. Draw a figure on the glass and remove the figure. Moreover, you can also install windows on the figure.
If the method of changing the window of the closed glass window is to remove all the closed windows and reinstall them, and then install the window again, the process is more complicated and the operation is more difficult, especially for high-level users, it is best to choose a professional construction team. But the general property is not allowed, because it damages the integrity of the facade of the exterior wall, and the windows of most new houses are guaranteed for 5 years, so it is not guaranteed after being replaced, and the cost is not low.
