#pcylinder s1 5 20
#pcylinder s2 5 12 
#ttranslate s2 5 0 3
#ttranslate s1 s2 5 5 0
#fuse s s1 s2
#save s I5678.draw 

restore [locate_data_file I5678.draw] s
tscale s 0 0 0 SCALE1
explode s e
blend result s 0.5*SCALE1 s_4 0.5*SCALE1 s_5 0.5*SCALE1 s_13

checkprops result -s 99977