#box s1 0 0 0 10 10 10
#box s2 0 0 0 4 4 4
#ttranslate s2 4 4 10
#fuse s s1 s2
#save s CFI_a5678fid.rle 

restore [locate_data_file CFI_a5678fid.rle] s
tscale s 0 0 0 SCALE1
explode s e
mkevol result s
updatevol s_16 0 0.5*SCALE1 1 1*SCALE1 2 0.5*SCALE1
buildevol

checkprops result -s 66266.6