#pcylinder s1 5 15
#pcylinder s2 5 10 
#ttranslate s2 3 0 6
#ttranslate s1 s2 5 5 0
#cut s s1 s2
#save s CFI_i1234fis.rle 

restore [locate_data_file CFI_i1234fis.rle] s
tscale s 0 0 0 SCALE1
explode s e
mkevol result s
updatevol s_3 0 0.5*SCALE1 1 1*SCALE1 2 0.5*SCALE1
buildevol

checkprops result -s 59943.4