lwc:cnc:shopbot [wiki]

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===== Easel =====

make sure spindle control is automatic
make the material just a bit thicker (0.01") than it really is
choose Shapeoko (1 or 2) as your machine
material doesn't matter. Use corian to not be distracted by grain
cut settings:
  * feed: 75 inches/minute
  * plunge: 25  inches/min
  * depth per pass: 0.26 (lie by 1/100 inch)

stepover is how much of a diameter to step over as you make a groove wider and wider. Defaults to 40%. Curt uses 80%. 20-40% or 60-80% recommended. Don't use 50% for some reason
tabs are thin areas that aren't cut out so the material doesn't slip and slide as you get toward the end of your cutting. Another solution would be double-stick tape for example
**shape** allows you to position exactly where you want your piece.
  * **Position** sets the reference point

===== Bits: =====

1/4 inch cutter can go 1 inch, 1/16 inch could only go 1/4 inch.
2 flutes (or less)
google yonico cnc
  * go here: http:%%//%%www.precisionbits.com/spiral/
  * then order on Amazon

solid carbide 
make sure it can plunge
spiral upcut is most common. (this is the place to start but since it cuts "up" there can be chipping