here is something for your architectural stock:
This set of broken glass shapes consists of 14 window`s edges shapes and 16 complete window shapes with customizable crack spots and / or holes. Bonus are two bullet hole shapes, single and double. Experienced modellers will know how to get on with them, but for the novice I provide a little “how to” in the attached .jpg named “customizing dimensions”. It is assumed that the user has a modelling software for that (Though you can take the stuff as is, of course).
The set is meant for a variety of situations, where just transmapping a plane would give poor results (though you might want to transmap this objects as well). They are not UV mapped, because in most cases a simple procedural glass material will do the job. If needed, simply map them in planar mode…
Some objects consist of two parts, called “screen” and “cracks” - this is for reasons of easy scaling the screen for your respective need and / or having more flexibility when importing in DAZ Studio or Poser, as you can load both shapes independantly. They should match automatically, if not there should be no problem to send them into place . In some occasions this can give better results, especially when applying different shaders to each object either, for instance a simple glass shader to the screen and a slightly luminous glassy one for the cracks object. This can be helpful with difficult lighting situations within your scene.