Zoomed out, small parts and short cut-off segments piled their ids on each
other. As the CAD converter numbers entities, an id now shows only once its
part is big enough on screen to hold it: a part must be as wide and tall as
the id's text, a cut-off segment as long as the id's disc.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
