“3d Printing Primer: A Comprehensive Guide for Beginners”

One of the most important factors when choosing a primer for 3d printing is the material it will be applied to. Primers can help increase the print quality and accuracy of prints, as well as protect delicate printing materials from damage. It’s important to choose the right printing primer for your 3d printing needs.

Best Primer for 3d Prints 2023

Vallejo Grey Primer Acrylic Polyurethane

The Vallejo Grey Primer Acrylic Polyurethane is a high-quality acrylic paint that comes in 200ml bottles. It is a better choice for artists who need to create beautiful colors by using a low-paint wash. The primer can help improve the overall color of your painting, and it can also help protect the canvas from fading and staining.

If you’re looking for a high-quality primer for your acrylic painting, look no further than Vallejo Grey Primer Acrylic Polyurethane. This product has been found to be one of the best on the market, due to its ease of use and ability to clean easily. Plus, it comes with different colors to suit any palette.

best primer for 3d prints

Rust-Oleum 260510 Automotive 2-in-1 Filler & Sandable Primer, 12 Ounce (Pack of 1), Gray

If you’re looking for an automotive primer that can also be used to fill in small spaces or sandblast areas on your vehicle, Rust-Oleum’s 260510 is a great option. This primer is made to fill in small spaces and sandblast areas, so it can help with both the painting and bodywork of your vehicle. Not only does this primer have a 12-ounce pack of 1, but it also has a gray filler – perfect for those who want an even more subtle finish. It features a quick clean technique, so you can get the most of your paint job without any fuss.

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Testors Spray Enamel Paint Primer – 1237

Testors Spray Enamel Paint Primer – 1237 is a popular paint primer that has been used for many years. It is a light, white, water soluble paint that can be spray painted on nearly any surface. It should be applied to the surface being primed before painting with other colors, as it will affect the overall color of the painting. Testors Spray Enamel Paint Primer – 1237 also helps to prevent “speckles” on finished paintings.

Liquitex BASICS Gesso Surface Prep Medium, 16-oz, White

Liquitex BASICS Gesso Surface Prep Medium, 16-oz, White is an easy-to-apply, all-purpose budge. Made with a high quality vinyl surface prep material, this gesso will give your surfaces a professional appearance. Its low pore size and easy application will leave your work area looking and feeling clean and smooth.

This product has a u delivery method and is available in both white and black. It comes with a easy to follow instruction booklet and can be used dry or with a wet brush.

Tamiya Gray Fine Surface Primer L, 180ml Spray Can

Tamiya Gray Fine Surface Primer L, 180ml Spray Can is ideal for preparing ABS and Styrene plastic for injection. This spray can is easy to use and best suited for those who are new to making plastic. The primer helps to achieve a more even surface finish, which results in a higher level of accuracy when injection-molding. Additionally, the primer creates a fire- resistant surface which will help your models resist the elements.

Tamiya Surface Primer is a favorite primer for scale model plastic kits, gunpla, and 3D printed miniatures.

Here are two useful primers for larger 3D printed PLA or ABS parts:

Rust-Oleum 260510 Automotive 2-in-1 Filler & Sandable Primer, 12 Ounce (Pack of 1), Gray

Rust-Oleum 260510 Automotive 2-in-1 Filler & Sandable Primer, 12 Ounce (Pack of 1), Gray is an effective and affordable primer for every automotive. It can help to prevent the build up of sand and dust on surfaces, making it easier to maintain your car or truck. The primer also contains a filler that can be used to add color or depth to any surface.

Rust Oleum offers an excellent performance as both a primer and filler spray, allowing paint to adhere to 3D prints while filling in minor imperfections.

12 Oz Krylon K02754007 Black Fusion All-In-One Paint & Primer Spray Paint, Matte, 6-Pack (High rated)

KRYLON FUSI is a high-quality all-in-one paint and primer spray paint that offers a durable finish. It’s made with a black fusion formula that makes it easy to apply and ensures an accurate result. With its six Pack, you can conveniently store the paint for when you need it.

Krylon K02721007 Fusion All-In-One Spray Paint for Indoor/Outdoor Use, Matte River Rock Gray

Krylon K02721007 Fusion All-In-One Spray Paint for Indoor Outdoor Use, Matte River Rock Gray is a versatile paint that can be used on a variety of surfaces. The paint is water resistant and easy to apply, making it perfect for both indoor and outdoor use. The paint is also resistant to fading and weathering, making it a great option for projects that will be in use for a long time.


Do you need primer for 3D prints?

Priming converts your 3D print into a professional quality print and makes the painting process easier by creating a smooth surface. Priming is required because paints will not hide all your mistakes, particularly if you are producing a masterpiece. Select a primer that’s compatible with the plastic.

What primer Do you use on 3D prints?

For best results, select paints from the same brand and brand that are plastic compatible. Though Krylon and Montana (both have similar formulas) are sturdy, nothing quite compares to Tamiya brand model paint — it goes on extremely thinly and evenly, preserving delicate surface details.

Can You Paint 3D Prints Without Primer?

PLA and PETG were by far the most appealing 3D printing materials for color. ABS with photopolymer resin and SLS-printed PA12 came in second, and aluminum came in third.

How do you smooth PLA without sanding?

To smooth, you can paste a glue or a filler primer into the shape of a smooth surface and then fill up the groves. XTC-W3D, 3D Gloop, and other products may be utilized for this purpose.

How do you prepare 3D printed miniatures for painting?

Don’t forget to prime a model, even those made of printed minis, before you apply paint. Primer acts as a bridge between the model’s surface and your paint coat’s surfaces. It helps make the surface your miniature smooth, and makes paint stick to your model with greater accuracy.

What Color Primer Should I Use For Minis?

The colours and hues choose whether to match the palette or try to hide it. Applying a black paint to an appropriately dark wall looks natural and pleasing to the eye. You can make a lighter choice by using white paint.

Can you paint 3D printed items with acrylic paint?

Standard models (e.g. Revell) work well with polyamide (SLS), mammoth resin, standard resin, gray resin, and high-res resin. Both acrylic and water-based paints are similarly effective, but multiple layers may need to be used.

How do you seal 3D prints on acrylic?

To begin painting 3D prints with acrylic paint, the sheets must first be prepared and painted with a primer. The acrylic paint can then be applied to the template directly. When the paint has dried, a coat of matte sealant can be added to help protect it.

Why are my 3D prints not smooth?

Determining the reason for degradation in 3D printed walls with rough surfaces is the best idea when you require to improve them, and refraction and over-extrusion are the two main causes on which take things so pay close attention to modify your settings for both. To remove vibration issues, you need to take special care with your settings and printing temperature.

Is wood filler good for 3D prints?

Wood filler is flexible and relatively affordable, which is why many 3D printing specialists utilize it to seal their prints. Wood filler is also easy to utilize regardless of your skill in 3D design.

Why are my 3D prints so weak?

The problem can sometimes be associated with the speed and thickness of nozzles, if you want to compare the printing speed and height of the texture. Too slowly may mean the layer is too thick when I multiply the printing speed by the nozzle width X the speed X the layer height. The higher the ambient temperature, the weaker the viscosity of the plastic becomes, so printing is faster, but the quality of the print decreases.

What primer should I use for resin prints?

Resin miniatures are a great way to express your creative ideas and emotions. However, they can also be a challenging subject to paint. Even though primer is an important part of painting resin miniatures, some primers are better than others. Two of the best primers for resin miniatures are Krylon Fusion All-in-One Spray Paint and Tamiya Surface Primer.

What’s the best filler primer?

The latest filler to come along is polyester, which many believe has top-notch “fills the role” – it can fill in small scratches and body dents just like putty or a filler would. So if you’re in the market for an excellent filler primer, why not try polyester?

Can you spray paint PLA without sanding?

There are a lot of colors you can use when spray painting PLA, and it doesn’t require any special post-processing techniques like sanding. Just make sure to choose a right color that will go well with your PLA surface.


In conclusion,it is important to find the best primer for 3d prints in order to produce the most accurate results. Primers can help reduce any build time and ensure a smooth printing experience.