GCode Variable Substitution

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Stewart Allen edited this page Feb 7, 2020 · 2 revisions

current set of variable substitutions

All Modes

{top} = offset in mm of bed top Y axis
{left} = offset in mm of bed left X axis
{right} = offset in mm of bed right X axis
{bottom} = offset in mm of bed bottom Y axis

3D printing / FDM

in "pre" and "post"

{temp} = hot end temperature
{bed_temp} = bed temperature
{fan_speed} = active cooling fan speed (usually 0-255)
{z_max} = max build height in mm

in "settings"

{bed_width} = bed width in mm
{bed_depth} = bed depth in mm
{nozzle_size} = nozzle diameter in mm
{filament_diameter} = filament diameter in mm

CAM

{tool} = CAM tool #
{tool_name} = CAM tool name
{time} = dwell time in seconds
{time_ms} = dwell time in milliseconds
{time_sec} = dwell time in seconds

simple algebraic expressions supported in the form

{token+n} {token-n} {token/n} {token*n}