(this is the program describing entry moves for)
(radius compensation in Figure 3 of the Handbook)
(http://www.linuxcnc.org/handbook/RS274NGC_3/RS274NGC_38a.html#999268)

g20 f60

(first, no compensation so we can see the part outline)
g0 x1 y5
g1 y4
g3 x2 y3 i1
g2 x3 y2 j-1
g1 y-1
g2 x2 y-2 i-1
g1 x-2
g2 x-2.6 y-0.2 j1
g1 x1.4 y2.8
g2 x2 y3 i.6 j-.8

(with compensation)
t4 m6
g0 x1 y5
g41 g1 y4
g3 x2 y3 i1
g2 x3 y2 j-1
g1 y-1
g2 x2 y-2 i-1
g1 x-2
g2 x-2.6 y-0.2 j1
g1 x1.4 y2.8
g2 x2 y3 i.6 j-.8
g40

m2
