Clean Up Your 3D Prints: Tips and Tricks

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3D printing is a fascinating technology that allows you to create intricate and complex objects from a digital design. However, getting a perfect 3D print is not always easy. After printing, you may find that your object has rough edges, support materials stuck to it, or other imperfections that need to be cleaned up. In this article, we will show you how to clean up a 3D print and get it looking its best.

Cleaning up a 3D print can involve several steps, depending on the type of printer and material used. For example, if you’ve printed with FDM or resin, you may need to remove support structures or sand down rough edges. If you’ve printed with PLA or ABS, you may need to use solvents or other cleaning agents to remove any residue. Whatever your situation, we’ve got you covered with tips and tricks to help you get the most out of your 3D prints. So, let’s dive in and explore the best ways to clean up your 3D prints.

Necessary Tools

When it comes to cleaning up 3D prints, you’ll need a few tools to help you get the job done right. Here are the essential tools you’ll need:

Cleaning Brush

A cleaning brush is a must-have tool when it comes to cleaning up 3D prints. It can help you remove any small debris or particles that are left behind after printing. A soft-bristled brush is recommended to avoid scratching the surface of your print. You can use a toothbrush or a specialized cleaning brush for 3D printing.

Isopropyl Alcohol

Isopropyl alcohol is another essential tool for cleaning up your 3D prints. It is a great solvent that can dissolve any excess resin or support material that is left on your print. You can use isopropyl alcohol with a brush or a cloth to clean your print. It is recommended to use a high concentration of isopropyl alcohol (90% or higher) for best results.

Razor Blade

A razor blade is a useful tool for removing any excess material that is left on your print. You can use it to remove any support material or to clean up any rough edges on your print. Be careful when using a razor blade, as it can easily scratch or damage your print.

Other tools that may be useful for cleaning up your 3D prints include:

  • Needle-nose pliers
  • Sandpaper (120 to 3000 grit)
  • Mineral oil
  • Heat gun
  • Polishing bits

In conclusion, having the right tools is essential for cleaning up your 3D prints. A cleaning brush, isopropyl alcohol, and a razor blade are the essential tools you’ll need to get started. Additional tools may be useful depending on the type of print and the level of cleaning required.

Removing Support Structures

When you 3D print an object, it often requires support structures to be printed alongside it. These structures are necessary to prevent the object from collapsing during printing. However, once the printing is done, removing these support structures can be a bit tricky. In this section, we’ll discuss how to identify support structures and the best way to remove them.

Identifying Support Structures

Before removing support structures, it’s important to know where they are located on the print. Support structures are usually printed in the same material as the object, but with a lower density. They can be identified by their thin, spindly appearance and the fact that they are not connected to the rest of the print.

Removing Support Structures with Razor Blade

One of the most common ways to remove support structures is with a razor blade. Here’s how to do it:

  1. First, identify the point where the support structure is connected to the object. This is usually where the support structure is thickest.
  2. Hold the object with one hand and use the razor blade to carefully cut the support structure at the connection point. Be careful not to cut into the object itself.
  3. Once the connection point is cut, use the razor blade to gently pry the support structure away from the object. If the support structure is stubborn, you can use pliers or tweezers to pull it away.
  4. Repeat this process for all the support structures until they are all removed.

It’s important to note that using a razor blade can be dangerous if not done carefully. Always use a sharp blade and be careful not to cut yourself or damage the object.

In conclusion, removing support structures from a 3D print can be a bit tricky, but with the right tools and techniques, it can be done easily. By following the steps outlined above, you can safely and effectively remove support structures from your 3D prints.

Cleaning the Print Surface

After your 3D print is complete, you will need to clean up the print surface to remove any excess resin or other material that may have accumulated during the printing process. Cleaning the print surface is crucial for achieving a high-quality print, and it is a simple process that can be done with a few common tools and materials.

Removing Excess Resin with Brush

The first step in cleaning the print surface is to remove any excess resin or other material that may be stuck to it. To do this, you can use a soft-bristled brush or a toothbrush. Gently brush the print surface to remove any excess material, being careful not to scratch or damage the surface.

Cleaning with Isopropyl Alcohol

Once you have removed any excess material, it is time to clean the print surface with isopropyl alcohol. Isopropyl alcohol is a common cleaning agent that is used to clean a variety of surfaces, including 3D print surfaces. To clean the print surface, you will need a clean cloth or paper towel and a bottle of isopropyl alcohol.

First, dampen the cloth or paper towel with isopropyl alcohol. Then, gently wipe the print surface to remove any remaining residue. Be sure to clean the entire surface, including any hard-to-reach areas. Once you have finished cleaning, allow the print surface to air dry completely before starting your next print.

Other Cleaning Methods

In addition to using a brush and isopropyl alcohol, there are other cleaning methods you can use to clean your print surface. These include:

  • Sanding: Sanding the print surface can help remove any rough spots or imperfections that may be present after printing.
  • Mineral oil: Applying a thin layer of mineral oil to the print surface can help fill in any small gaps or holes and give the surface a smooth finish.
  • Acetone: Acetone can be used to clean the print surface, but it should be used with caution, as it can damage some types of print surfaces.

In conclusion, cleaning the print surface is a crucial step in achieving a high-quality 3D print. By following these simple steps and using the right tools and materials, you can ensure that your print surface is clean and ready for your next print.

Post-Cleaning Inspection

After cleaning your 3D print, it’s important to perform a post-cleaning inspection to ensure that your print is ready for use. This inspection should include checking for resin residue and inspecting for surface damage.

Checking for Resin Residue

Resin residue is a common issue after cleaning a resin 3D print. To check for resin residue, use a bright light source to examine the print’s surface. If you notice any shiny or tacky areas, it’s likely that there is still resin residue on the print.

To remove any remaining residue, use a clean cloth or paper towel to wipe the surface of the print with isopropyl alcohol. If the residue is particularly stubborn, you may need to use a soft-bristled brush to gently scrub the surface.

Inspecting for Surface Damage

After cleaning your print, it’s important to inspect the surface for any damage. Surface damage can include scratches, cracks, or other imperfections that may affect the print’s overall quality.

To inspect for surface damage, examine the print from all angles and look for any signs of damage. If you notice any scratches or cracks, you may need to sand the surface of the print to smooth out any imperfections.

In addition to visual inspection, you can also use a caliper to measure the print’s dimensions and ensure that it meets the required specifications.

By performing a post-cleaning inspection, you can ensure that your 3D print is ready for use and meets the required specifications.


Cleaning up a 3D print is an essential step to ensure that your final product looks good and functions properly. In this article, we have discussed various methods and techniques that you can use to clean up your 3D prints. Here’s a quick summary:

  • For FDM prints, you can use a combination of pliers, tweezers, cleaning brushes, and knives to remove any imperfections such as stringing, nubs from supports, and blobs.
  • For resin prints, you should first remove the model from the build plate and then submerge it in isopropyl alcohol (IPA) to remove any uncured resin. You can also use a UV lamp to cure the model and remove any remaining uncured resin.
  • When cleaning your 3D printing bed, the cleaning method will depend on the bed material. IPA or acetone can be used for PEI beds, while glass beds may need to be mechanically scraped with tools.

It’s important to note that different materials and printers may require different cleaning methods. Always refer to the manufacturer’s instructions for specific guidance on cleaning your 3D prints.

In addition to the methods discussed in this article, there are other tools and techniques that you can use to clean up your 3D prints. For example, sandpaper can be used to smooth out rough surfaces, and a heat gun can be used to remove any remaining support material.

Overall, cleaning up a 3D print can be a time-consuming process, but it’s worth the effort to achieve a high-quality final product. By following the tips and techniques outlined in this article, you’ll be able to clean up your 3D prints with ease and produce impressive results.