3dSynth

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Set Fan

Sets the part cooling fan speed for subsequent moves. The fan speed applies from this point onward until overridden by another Set Fan block.

Block

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Parameters

value (%)
Fan speed 0-100%. 0 turns fan off. Accepts math expressions.

How it works

Set Fan controls the part cooling fan in the generated G-code. At 0%, the fan is turned off (M107). For values 1-100%, the block outputs M106 S{0-255} where the S value is scaled from the percentage.

G-code output

ValueG-codeBehavior
0%M107Fan off
1-100%M106 S{0-255}Fan at scaled speed