.I period
seconds. By default, this value is 10 seconds.
.TP
-.BI "-wait " "microsec"
+.BI "-delay " "microsec"
Inserts a wait after drawing one view of the clock. By default, t3d waits
40 ms after each drawing. This helps you to keep the performance loss
small.
.TP
.B -help
Prints a short usage message.
-
+.TP 8
+.B \-fps
+Display the current frame rate and CPU load.
.PP
.SH AUTHOR
.PP