I can write the g-code...

`(Rectangular Drill Pattern)`

(created: Wed 25 Sep 2019 at 12:32 )

(Start of Rectangular Drill Pattern)

(X1 = 0.0000, Y1 = 0.0000)

(X3 = 50.0000, Y3 = 50.0000)

(Number of Holes 16.0000)

(Number of Y Rows 4.0000)

(Y Row spacing 16.6667)

(Number of X Columns 4.0000)

(X Column spacing 16.6667)

(Hole Depth 12.0000 feed rate set to 60.0000)

(Clearance 10.0000)

(Peckdepth 4.0000)

F 60.0000

(set drill size to )

G00 Z10 (---- check work clearance)

G83 X0.0000 Y0.0000 Z12.0000 r10.0000 q4.0000 f60.0000

X16.6667 Y0.0000

X33.3333 Y0.0000

X50.0000 Y0.0000

X50.0000 Y16.6667

X33.3333 Y16.6667

X16.6667 Y16.6667

X0.0000 Y16.6667

X0.0000 Y33.3333

X16.6667 Y33.3333

X33.3333 Y33.3333

X50.0000 Y33.3333

X50.0000 Y50.0000

X33.3333 Y50.0000

X16.6667 Y50.0000

X0.0000 Y50.0000

G80

don't turn on the spindle.