3D Printing Made Easy: How to Print Your Blender Designs

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3D printing has revolutionized the way we create and design objects. With the help of 3D modeling software like Blender, it is now possible to create complex designs and bring them to life with a 3D printer. In this article, we will discuss how to 3D print from Blender, a popular open-source 3D modeling software.

Blender is a powerful tool that allows users to create intricate 3D models. Once you have designed your 3D model in Blender, you can export it as an STL file, which is the standard file format used in 3D printing. However, before you can start printing your model, you need to make sure it is optimized for 3D printing. This means checking for errors, ensuring that the model is watertight, and adding support structures where necessary.

In the following sections, we will cover the steps you need to follow to 3D print from Blender. We will discuss how to export your model as an STL file, how to prepare your model for 3D printing, and how to slice your model using a slicer software. By the end of this article, you will have a good understanding of how to 3D print from Blender and be able to create your own 3D printed objects.

Preparing the 3D Model

Before 3D printing from Blender, it’s important to prepare the 3D model correctly. This involves making sure the model is manifold, has no holes or inverted normals, and is scaled appropriately. Here are the steps to prepare your 3D model for 3D printing:

Exporting the Model as an STL File

The first step is to export your 3D model as an STL file. STL stands for Standard Tessellation Language and is the most commonly used file format for 3D printing. Here’s how to export your model as an STL file in Blender:

  1. Select your 3D model in Blender.
  2. Go to File > Export > STL.
  3. In the Export STL dialog box, choose your desired settings, such as the scale and units, and click Export STL.

It’s important to note that when exporting the model, you should choose a suitable scale for the 3D printer you will be using. You can check the specifications of your printer to find out what scale is best.

Once you have exported your 3D model as an STL file, you can use a slicing software to prepare the model for 3D printing. Slicing software takes the 3D model and converts it into a series of layers, which the 3D printer can then print one layer at a time.

In conclusion, preparing your 3D model correctly is essential for successful 3D printing. By following the steps above, you can ensure that your model is ready for 3D printing and will print correctly.

Setting Up the 3D Printer

Installing the Printer Software

Before starting to 3D print from Blender, you need to install the printer software. The software depends on the type of printer you have, so make sure to check the manufacturer’s website for the correct software. Once downloaded, follow the instructions to install the software on your computer.

Calibrating the Printer

After installing the printer software, you need to calibrate the printer. Calibration ensures that the printer is properly aligned and that the print bed is level. This is important because if the printer is not calibrated, your prints may not turn out correctly.

To calibrate the printer, follow the instructions provided by the manufacturer. This may involve adjusting the print bed, checking the alignment of the printer head, and setting the correct temperature for the printer.

It’s important to note that calibration is not a one-time process. You should calibrate your printer regularly to ensure that it continues to produce high-quality prints.

Tips for Successful 3D Printing

To ensure successful 3D printing from Blender, here are a few tips:

  • Use high-quality filament: The quality of the filament you use can have a big impact on the quality of your prints. Make sure to use high-quality filament to ensure the best results.
  • Use the correct settings: Make sure to use the correct settings in Blender for your printer. This includes the correct print bed size, nozzle size, and temperature settings.
  • Clean the print bed: Before starting a print, make sure to clean the print bed to remove any dust or debris. This will help ensure that the print adheres properly to the bed.
  • Monitor the print: While the printer is printing, make sure to keep an eye on it. This will allow you to catch any issues early on and make adjustments as needed.

By following these tips and properly setting up your printer, you can create high-quality 3D prints from Blender.

Slicing the Model

Importing the Model into Slicing Software

Once you have finished modeling your object in Blender, you need to export it as an STL or OBJ file. These file formats are compatible with most slicing software. Open your preferred slicing software and import the model. You should see a 3D preview of the object.

Adjusting Slicing Settings

Before slicing the model, you need to adjust the slicing settings. This includes selecting the layer height, infill density, and support structure. The layer height determines the thickness of each printed layer. A lower layer height will result in a smoother surface finish but will increase print time. The infill density determines how much material is used to fill the inside of the object. A higher infill density will result in a stronger object but will also increase print time and material usage. The support structure is used to support overhanging parts of the model during printing. You can adjust the angle and density of the support structure.

Most slicing software provides default settings that work well for most objects. However, you can adjust these settings to achieve the desired print quality. You can also save these settings as a profile for future use.

Once you have adjusted the slicing settings, you can slice the model. The slicing software will generate a G-code file that contains the instructions for the 3D printer. You can save this file to an SD card or send it directly to the printer if it is connected to your computer.

In conclusion, slicing is an essential step in 3D printing from Blender. By following these steps, you can adjust the slicing settings to achieve the desired print quality.

Printing the Model

Once you have your 3D model ready in Blender, the next step is to prepare it for printing. In this section, we will go over the process of printing the model using a 3D printer.

Loading the Sliced Model onto the Printer

Before you can start printing, you need to slice your model using a slicer software. There are many slicer software options available, but we recommend using Cura, which is a free and open-source slicer software.

Once you have sliced your model, save the G-code file to an SD card or transfer it to your printer via USB. Make sure your printer is turned on and connected to your computer.

Next, load the sliced model onto the printer. Some printers have a built-in SD card slot, while others require you to connect the printer to your computer via USB. Follow the instructions provided by your printer’s manufacturer to load the model onto the printer.

Starting the Print Job

Once the model is loaded onto the printer, you can start the print job. Follow these steps to start the print job:

  1. Make sure the printer is level and the build plate is clean.
  2. Set the print temperature and bed temperature according to the material you are using.
  3. Home the printer to make sure the nozzle is at the correct height.
  4. Start the print job from the printer’s menu or control panel.

During the print job, monitor the printer to make sure everything is running smoothly. If you encounter any issues, stop the print job and troubleshoot the problem before starting again.

In conclusion, printing a 3D model from Blender requires slicing the model using a slicer software, loading the sliced model onto the printer, and starting the print job. With these steps, you can turn your digital model into a physical object.


Common Issues

When 3D printing from Blender, there are a few common issues that you may encounter. Here are some of them and the solutions to fix them.

Issue: Print is not sticking to the bed

One of the most common issues that occur while 3D printing is that the print does not stick to the bed. This can happen due to various reasons such as bed leveling, filament temperature, and bed temperature.


  • Check the bed leveling and adjust it if necessary.
  • Increase the bed temperature to ensure better adhesion.
  • Increase the filament temperature so that it melts and sticks to the bed.

Issue: Print quality is poor

Another common issue is that the print quality is poor. This can happen due to various reasons such as improper slicer settings, filament quality, and printer calibration.


  • Check the slicer settings and adjust them if necessary.
  • Use high-quality filament to ensure better print quality.
  • Calibrate the printer to ensure that the printer is printing accurately.

Issue: Print is not coming out as expected

Sometimes, the print may not come out as expected. This can happen due to various reasons such as incorrect model orientation, improper support structure, and incorrect print settings.


  • Check the model orientation and adjust it if necessary.
  • Add proper support structures to the model.
  • Adjust the print settings such as infill density, layer height, and print speed.

In conclusion, 3D printing from Blender can be a challenging task, but with the right troubleshooting techniques, you can overcome any issues that may arise.