How to Set Bed Temperature in Slicer for 3D Printing

To set the bed temperature in a slicer, locate the Bed Temperature or Heated Bed setting in the printer or material settings section. Enter the desired temperature in degrees Celsius, which matches your filament's recommended bed temperature, then save or export the G-code for printing.

Syntax

In most slicer software, the bed temperature setting is found under printer or material settings. It usually looks like this:

• Bed Temperature: [value in °C] - sets the heated bed temperature.
• Start G-code command: M140 S[value] - sets bed temperature without waiting.
• Start G-code command: M190 S[value] - sets bed temperature and waits until it reaches the target.

Here, [value] is the temperature in degrees Celsius.

gcode

M140 S60 ; Set bed temperature to 60°C without waiting
M190 S60 ; Set bed temperature to 60°C and wait until reached

Example

This example shows how to set the bed temperature to 60°C in a slicer like PrusaSlicer or Cura. You enter the temperature in the bed temperature field, and the slicer adds the correct G-code commands to the start of your print file.

gcode

; Start G-code snippet generated by slicer
M140 S60 ; Set bed temperature to 60°C
M190 S60 ; Wait for bed to reach 60°C
G28 ; Home all axes
G1 Z0.2 F3000 ; Move to start height

Common Pitfalls

Common mistakes when setting bed temperature include:

• Setting the temperature too low, causing poor print adhesion.
• Setting the temperature too high, which can damage the bed or cause filament issues.
• Forgetting to save or apply the settings before slicing.
• Not matching the bed temperature to the filament manufacturer's recommendations.
• Using M140 without M190 when waiting for the bed to heat is necessary, which can cause printing before the bed is ready.

gcode

;; Wrong: sets bed temp but does not wait
M140 S60

;; Correct: sets bed temp and waits
M190 S60

Quick Reference

Here is a quick guide to setting bed temperature in slicers:

Setting	Description	Typical Values
Bed Temperature	Target temperature for heated bed	50°C - 110°C depending on filament
M140 S[value]	Set bed temperature without waiting	e.g., M140 S60
M190 S[value]	Set bed temperature and wait until reached	e.g., M190 S60
Save Settings	Apply changes before slicing	Always do this

Key Takeaways

Set bed temperature in slicer settings to match your filament's recommended value.

Use M190 command to wait for bed to reach temperature before printing.

Avoid too low or too high bed temperatures to ensure good print adhesion and safety.

Always save or apply settings before slicing your model.

Check your slicer's start G-code to confirm bed temperature commands are included.