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Oliver (Prof. Henry)
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Discussion Starter · #1 ·
This curved molding piece is part of a sign project where I’m experimenting with some design and finishing techniques. This is not 3-D carving requiring a 3-D model. It only uses a simple molding tool path to follow a curved vector (line). I drew the cross section of the molding profile, assigned it to follow the curve, and used both a 1/4” spiral bit and a 1/8” ball nose bit to do the carving. The final molding piece is 2” wide x 16” long x 3/4” max thickness, made out of select pine from Home Depot.

A frame could be made the same way by following a square or rectangle shape, creating crisp mitered corners without the need for any miter cuts, glue, or clamps.

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Theo
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A sign? Or a surprise Christmas gift for your wife? >:)
 

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Nice stuff. You guys are getting me closer to the big step. I will be attending a woodworking show next week, looking forward to seeing what CNC machines they will have on display.
 

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Paul
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That's excellent, Oliver. That technique would also be useful for making clocks.
 

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Now there's a task that really makes CNC look interesting. Gorgeous. Round, oval, five, six, seven eight sided frames with fancy carving at the top or bottom. One piece from glued up stock. Keep the waste for smaller versions. $300 a frame at least.
 

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Oliver (Prof. Henry)
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Discussion Starter · #17 ·
Forgot to ask, Oliver - how long did it take to cut this?

David
It cut in just under an hour. The 1/8" ball nose obviously took the longest time to cut, and the time would have been shorter had I remembered to tell the ball nose tool path to ignore the flat areas.
 
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