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Mr. Ed

Sorry, but I know nothing about home built machines.

BTW, the cat in your avatar..... is it about to puke?

Atom.

First of all machine a cube 46mm square. ( all programs are in metric). Then run this program on each face. Z "0" is the top face, XY "0" is the centre of the square. I've also included the macro's...

Mr. Ed

Yep, made them myself. One, the cubes are fixed and the other, the cubes are loose inside each other. I can post the prog if you want (if I can remember where I put it).
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Don't bother. Use desk engrave by Deskam.

www.deskam.com

It's free and easy.

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Syntax line =

G65 P9002 X10. Y-10. B4. C2. M10.

This will repeat sub O0010 in X direction 4 times, pitching 10mm and 2 times in Y at -10mm pitch.


:O9002 (G52 MACRO)
(X = X PITCH)
(Y = Y...

Helix your hole out with this macro.

Your one line command would be.....

G65 P9013 X0. Y0. I4.2 D1. Z-20. R1. Q1. F1.

Your program would be this (Fanuc O MD)...

O0001(HELIX 8.4MM DIA...

Try G51 X0 Y0 I-1000 J-1000

This will scale around point X0 Y0, with a scale factor of 100% (full size) and the - (minus sign) means it will mirror it in this plane.

So to mirror in X but not...