How to make the effect of the body touching the glass?

xlpasstest

[How to make the effect of the body touching the glass?] Like This:

Richard Haseltine

You could use a dForm, weight mapped or just with the Field moved to include only the areas pressed against the glass. Move the dForm base to line up with the glass, then Z (or whatever axis is appropriate) to 0%, or thereabouts, to flatten the required parts.