Wasn't it Maurice who wrote:
>Rick Measham wrote:
>> I have a box with a hole in it. The whole was made by differencing a 
>> Round_Box so that the corners were nicer than the traditional square 
>> corners. However the opening of the hole still has hard square edges:
>> ___      __
>>    |    |
>>    |    |
>>    |____|
>> 
>> How would you go about rounding them?
>> ___      __
>>    \    /
>>    |    |
>>    |____|
>> 
>> 
>> I've thrown away my first idea, which was to put cylinders around the 
>> four sides of the box (first subtracting the radius as a box) but that 
>> only works along the sides of the hole. I need the corners to be nicely 
>> rounded too.
>> 
>> Any help and suggestions would be greatly appreciated.
>
>I think the keyword you are looking for here is: *lathe*

Wouldn't that tend to make a cylindrical hole rather than a rounded
square hole?

-- 
Mike Williams
Gentleman of Leisure

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