Problem creating a "solid object" (.3dm model attached)

 From:  Barry-H 8 Apr  (3 of 23) 
11701.3 In reply to 11701.2 
Hi Fredrick,
the problem I found was the bottom face is not flat so started with outer shape and offset 3mm and sweep outer and inner shapes with 2 rails
Boolean 4m of inner bottom then boolean inner from outer.
Cheers
Barry