Set your bit diameter to .248 and see what happens.
Common sense tells us that a quarter inch bit will cut inside a 1/4" rectangle. Unfortunately, somewhere in that rectangle it is a millionth of an inch narrower, telling the toolpath algorithm that the bit wont fit.
Besides that is much more likely the real diameter of that bit anyway, they seldom cut at the advertised diameter.
IslaWW wrote:Sorry I got confused.
IslaWW wrote: I am one of those "if I need a larger or smaller toolpath" I make a new vector. Over a lifetime of watching many of these nice little tricks work or not work on about a dozen different software packages for 2D or cabinet design, it has just been simpler to make what I need.
IslaWW wrote:One exception: When cutting bearing pockets into aluminum I use a vector that is .001 smaller than the bearing and toolpath with a .01 last pass allowance. Works for a perfect press fit.
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