Sometimes the old-school ways simplify a cnc project - Router Forums
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post #1 of 7 (permalink) Old 12-09-2017, 09:53 AM Thread Starter
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Default Sometimes the old-school ways simplify a cnc project

I made a business card holder using a left over bit of 2 x 8 cedar for the card holder. I spent a lot of time on the pc in V Carve Pro trying to figure out how to create a tool path that would cut a curved dip in the front of the holder. Perhaps it could be easily done with Aspire but I wasn’t having any joy using V Carve Pro.

As I futzed around it suddenly dawned on me that I could do it easily if I treated it like a bandsaw box project. So, I simplified my V Carve file to only pocket out the card holding area and mark a cutting line for the shape. The pocket was carved with a 1/4” spiral bit and the outline of the shape with a 45ļ V bit.

After the cnc work I went to the bandsaw and cut out the shape by following the scribed line and then sliced off the front of the holder so I could cut the curved area. After cutting and sanding the curve I glued the slice back in place. Then I made another V Carve file for the backdrop panel which was carved out of a left over piece of cedar fence board.

A quick little project that let me use my bandsaw and spindle sander in addition to the cnc. Obviously a cnc machine is just another tool in the creative process.
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Simplicity is the ultimate sophistication. ~ Leonardo da Vinci

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Last edited by Gaffboat; 12-09-2017 at 10:07 AM.
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post #2 of 7 (permalink) Old 12-09-2017, 10:03 AM
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Originally Posted by Gaffboat View Post
I made a business card holder using a left over bit of 2 x 8 cedar for the card holder. I spent a lot of time on the pc in V Carve Pro trying to figure out how to create a tool path that would cut a curved dip in the front of the holder. Perhaps it could be easily done with Aspire but I wasnít having any joy using V Carve Pro.

As I futzed around it suddenly dawned on me that I could do it easily if I treated it like a bandsaw box project. So, I simplified my V Carve file to only pocket out the card holding area and mark a cutting line for the shape. The pocket was carved with a 1/4Ē spiral bit and the outline of the shape with a 45ļ V bit.

After the cnc work I went to the bandsaw and cut out the shape by following the scribed line and then sliced off the front of the holder so I cut could cut the curved area. After cutting and sanding the curve I glued the slice back in place. Then I made another V Carve file for the backdrop panel which was carved out of a left over piece of cedar fence board.

A quick little project that let me use my bandsaw and spindle sander in addition to the cnc. Obviously a cnc machine is just another tool in the creative process.
Absolutely fascinating to me.

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post #3 of 7 (permalink) Old 12-09-2017, 10:41 AM
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That looks great, Oliver! Simple yet very effective, and as usual, well carried out.

Btw, 5 minutes in Fusion 360 got me to this, no fine tuning, obviously -

Sometimes the old-school ways simplify a cnc project-business-card-holder.jpg

Sometimes the old-school ways simplify a cnc project-business-card-holder-toolpath.jpg

Sometimes the old-school ways simplify a cnc project-business-card-holder-finished-part.jpg

But you can do things in V-Carve Pro that I would only, uh, Aspire to do... LOL!

David
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post #4 of 7 (permalink) Old 12-09-2017, 10:58 AM
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I keep thinking back to what David said a little while back. "It's just another tool in the arsenal." If it's the best tool to use then use it. If something else will work better then use that one.
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Someone I consider a master woodworker once told me that a master woodworker is not someone who never makes mistakes. He is someone who is able to cover them up so that no one can tell.
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post #5 of 7 (permalink) Old 12-09-2017, 11:21 AM
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I love your business cards too Oliver , pretty unique
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post #6 of 7 (permalink) Old 12-10-2017, 09:27 PM
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Where there's a will...
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post #7 of 7 (permalink) Old 12-13-2017, 12:11 AM
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Nice solution, Oliver.

I was wondering if you could CNC cut that last curve by mounting the part the other way. I guess you'd need a second drawing/tool path.

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