SCULPFUN S9 - How to quickly focus laser on the surface of the sculpture; Focusing Procedure Steps

How to quickly focus laser on the surface of the sculpture
1、Place the measuring
aluminum column on the
surface of the engraved
object, loosen the
thumbscrew behind the laser
module, and slide the laser
module on the measuring
aluminum column
2、When the laser module is
in good contact with the
measuring aluminum column,
tighten the thumb screw on
the back of the laser module
3、After fixing the laser
module, remove the
measuring aluminum column
and start engraving
20mm