puts "========"
puts "OCC26233"
puts "========"
puts ""
################################################
# BRepOffset_MakeOffset makes incorrect result
################################################

psphere a 100
explode a f
thickshell result a_1 10 i 1.e-7
donly result

checkshape result

checknbshapes result -solid 1 -shell 2 -face 2 -wire 2 -edge 6 -vertex 4 -shape 17

set tolres [checkmaxtol result]

if { ${tolres} > 2.e-7} {
   puts "Error: bad tolerance of result"
}

checkprops result -v 1.38649e+006