To copy a region in the active editor Scicos window
select first the Copy menu item, then
click (with right button) on a corner of the desired
region (in Scicos windows or in a palette), drag to
define the region, click to fix the region and
finally click left where you want the copy.
to be placed in the active editor Scicos window.
NOTE: If source diagram is big be patient, region selection
may take a while.
The lower left corner of the block is placed
at the selected point.
Right click cancel the copy action.