# Differences

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 — rhino:smalltobig [2015/09/14] (current) Line 1: Line 1: + ====== Existing small radius ====== + > **Summary:​** //When working with multiple fillet radii, we start with the largest values first and progress in order to the smallest radius, to avoid running a fillet off the edge of a surface it is following. This tutorial shows a technique to use when an existing smaller fillet is complicating things.// + + =====Small to big===== + + + ---- + \\ + + | {{:​legacy:​en:​SmallToBigStart.png}} | The existing fillet is 3mm.  We will add a 4mm filet around the top edge. | + + \\ + + | {{:​legacy:​en:​SmallToBig01.png}} | Run FilletEdge with 4mm.  It will do what it can and fail. | + + \\ + + | {{:​legacy:​en:​SmallToBig02.png}} | Extract the two 4mm surfaces, and the 3mm surface. | + + \\ + + | {{:​legacy:​en:​SmallToBig03.png}} | Split the red surface by isocurve where it intersects the edge of the 4mm filet surface. | + + \\ + + | {{:​legacy:​en:​SmallToBig04.png}} | Delete the top piece of the 3mm surface. | + + \\ + + | {{:​legacy:​en:​SmallToBig05.png}} | Untrim the fillet surfaces. | + + \\ + + | {{:​legacy:​en:​SmallToBig06.png}} | Use FilletSrf to make the curved transition surface. | + + \\ + + | {{:​legacy:​en:​SmallToBigEnd.png}} | Join all the surfaces to the polysurface,​ and cap to replace the missing top surface. | + + \\ + +