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Adding draft to an impeller vane

Question asked by Christopher Figgatt on Nov 12, 2009
Latest reply on Nov 14, 2009 by Mauricio Martinez-Saez

I have an impeller vane that is essentially a vertical extrusion.  I'm attempting to add 2 degrees of draft to the sides of the vane for casting purposes but am running into a problem.  When I add draft to the vanes material is removed from the top of the vane to create the draft angle, thus leaving the vane thinner than needed at the top.  Is there a way to utilize the draft tool to add material to create draft angle?  This would leave the vane wider at the bottom which is more appealing to my customer.  I can probably do the math and figure out how much to offset my extrusion sketch and then add the draft.  This should result in the top of the vane being the proper width.  If there's a easier way to do this with the draft tool I would much rather take that route!


Thanks in advance!