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Thread: filleting issue in Rhino 3D
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30th December 2015, 09:24 AM #1Awaiting Email Confirmation
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filleting issue in Rhino 3D
Hi. I'm a newbie in CNC. I am working up a model in Rhino of a stratocaster type guitar.
I've hit a wall when attempting to fillet the top edges. (The bottom went well).
the edge is broken by a cut out for the guitar neck and this is where the filleting or sweeping goes haywire,
Obviously it's the very sharp junctions ot the neck point causing the problem....how do I get rond this? Would a zero radius on the sharp bits help?
This is my first attempt.
Thanks,
Rob
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30th December 2015, 10:36 AM #2Member
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Try doing the edge fillet with the body as a solid block (ie. no neck pocket) then create the pocket using boolean difference
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31st December 2015, 09:39 AM #3Awaiting Email Confirmation
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Thanks for the tip.
I have done the fillet, but even though I have read up the Boolean operations and experimented with them as best I could I can't bring it off.
I have put a neckpocket shaped block in place, but can't get it to trim or cut.
Could you describe the steps please? - in english will do.
I want to learn.
Thanks, Rob.
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31st December 2015, 09:51 AM #4Member
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From where you are in the pic I'd try extending the yellow lines out of the body slightly and closing that off with a simple line. Then from the solid menu extrude that closed curve in both directions, so your neck heel block is sticking out the front as well as into the body. I think running a difference command from those two solids should give you a neck pocket, unless the vertical side overlap in the lower cutaway causes issues.
I probably should point out now that if you're planning on cnc cutting the pocket it doesn't need to exist in 3d CAD. Pocketing operations only need a 2d outline
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31st December 2015, 09:58 AM #5Member
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Thinking about it more (I can't check in rhino right now), I've got a feeling those overlapping surfaces might cause issues. I think there's an easy solution but it's hard to explain without drawing it
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