3DPLOT:control

number_size

 The default axis number height is XNUMSZ, which can be changed with
 the SET XNUMSZ command before entering the 3DPLOT command, and changed
 inside the command by using the H key.

hardcopies

 The current hardcopy device is disabled while the 3DPLOT command is
 active. The S key causes the current hardcopy device to be re-enabled,
 and the plot to be redrawn, thus allowing you to obtain a hardcopy,
 with the HARDCOPY comamnd.