The ornamental design for a tracer-centrer-blocker for ophthalmic lenses and spectacle frames, as shown and described.
FIG. 1 is a front perspective view of a tracer-centrer-blocker for ophthalmic lenses and spectacle frames in accordance with the invention;
FIG. 2 is a front view of the tracer-centrer-blocker for ophthalmic lenses and spectacle frames shown in FIG. 1;
FIG. 3 is a rear view of the tracer-centrer-blocker for ophthalmic lenses and spectacle frames shown in FIG. 1;
FIG. 4 is a right side view of the tracer-centrer-blocker for ophthalmic lenses and spectacle frames shown in FIG. 1;
FIG. 5 is a left side view of the tracer-centrer-blocker for ophthalmic lenses and spectacle frames shown in FIG. 1;
FIG. 6 is a top view of the tracer-centrer-blocker for ophthalmic lenses and spectacle frames shown in FIG. 1; and,
FIG. 7 is a bottom view of the tracer-centrer-blocker for ophthalmic lenses and spectacle frames shown in FIG. 1.
The overall shape and appearance are believed to be evident from the drawings shown. Broken lines in the drawings are for illustrative purposes only, showing the environment, and form no part of the claimed design.