G21 ; units are millimeters

G90 ; absolute mode

G28 O ; home all without mesh bed level

G0 Z30 F720 ; raise pen for travel

G0 X0 Y63 Z10 F10000

BASE_PAUSE ; pause for calibration

; -- start layer --

G0 X185.0001 Y218.0001 F10000

G0 Z7 F10000 ; pen down height

; --- Bounding box ---

G1 X5.0000 Y218.0001 F10000 ; top edge to top-left

G1 X5.0000 Y68.0000 F10000 ; left edge down

G1 X185.0001 Y68.0000 F10000 ; bottom edge right

G1 X185.0001 Y218.0001 F10000 ; right edge up (close box)

; --- A5 side markers (centered horizontally in the box) ---

; A5 width centered: X = 21 to X = 169

; Marker length: 10 mm, around Y = 143 (138..148)

; Left side marker

G0 Z10 F10000 ; pen up

G0 X21.0 Y138.0 F10000 ; start of left marker

G0 Z7 F10000 ; pen down

G1 X21.0 Y148.0 F10000 ; draw left vertical tick

; Right side marker

G0 Z10 F10000 ; pen up

G0 X169.0 Y138.0 F10000 ; start of right marker

G0 Z7 F10000 ; pen down

G1 X169.0 Y148.0 F10000 ; draw right vertical tick

; --- Center guides (short crosshair at box center) ---

; Box center: Xc = 95, Yc = 143

; Vertical center guide (20 mm tall: 133..153)

G0 Z10 F10000 ; pen up

G0 X95.0 Y68.0 F10000 ; bottom of vertical center guide

G0 Z7 F10000 ; pen down

G1 X95.0 Y218.0 F10000 ; draw vertical center tick

; Horizontal center guide (20 mm long: 85..105)

G0 Z10 F10000 ; pen up

G0 X5.0 Y143.0 F10000 ; left of horizontal center guide

G0 Z7 F10000 ; pen down

G1 X185.0 Y143.0 F10000 ; draw horizontal center tick

; --- end drawing ---

G0 Z10 F10000 ; pen up

; -- shutdown

G0 Z30 F10000 ; raise pen for travel

G0 X100 Y223 F10000 ; move head out of the way

M84 ; disable motors

CONDITIONAL_BEEP I=2 DUR=30 FREQ=8500