#!python
#open the mesh you'd like to delete elements from
#cubit.cmd('open "meshedknuckle.cub"')
#add all hexes with quality below threshold to group 'ugly'
cubit.cmd('group "ugly" add quality hex all jacobian high 2.5')
#get a list of all of their IDs
group_id = cubit.get_id_from_name("ugly")
hex_list = cubit.get_group_hexes(group_id)

#construct a string with these IDs
hex_string = ""
for i in range(len(hex_list)):
	hex_string += str(hex_list[i-1]) + " "

#construct the command to delete all these
command = "delete hex " + hex_string

#issue the command
cubit.cmd(command)

#redraw the mesh to show quality on the remaining mesh
cubit.cmd('quality volume all Jacobian global draw mesh')