2 Best ACF 3d Printers, Compared

Quick picks

The best fit for you

• You need replacement film for your Saturn 3 Ultra ELEGOO Saturn 3 Ultra ACF Film 5-Pack This 5-pack is the correct ACF release film for that specific printer model.
• You want wireless file transfer for high-detail prints ELEGOO Mars 4 Ultra 9K Resin 3D Printer It features Wi-Fi connectivity and delivers 18µm resolution for precise output.
• You need a large build volume for bigger projects ELEGOO Mars 4 Ultra 9K Resin 3D Printer The Mars 4 Ultra offers a build area of 10.6 by 23.8 inches.

Our 2 picks

1 Best overall

ELEGOO Saturn 3 Ultra ACF Film 5-Pack

Best for: Saturn 3 Ultra LCD protection

Release Film Type

ACF (what this guide is about)

Printing Technology

LCD

Dimensions

12.6 × 8.78 × 0.43 inches

View on Amazon: ELEGOO Saturn 3 Ultra ACF Film 5-Pack Affiliate link

This is a pack of five ACF release liner films designed specifically for the ELEGOO Saturn 3 Ultra resin 3D printer. The films measure 290 by 195 mm with a durable 0.3 mm thickness. They feature a composite technology that prevents sticking to the LCD screen. The frosted side faces the screen to ensure clean model release. This accessory helps maintain print quality and protects your display from resin damage.

Pros

• Pack includes 5 replacement films
• 0.3 mm thickness for durability
• ACF composite technology prevents LCD adhesion
• UV stable and chemical resistant

Cons

• Only compatible with Saturn 3 Ultra
• Consumable item, not a printer
• Requires manual installation

Good fit if

• You own an ELEGOO Saturn 3 Ultra printer
• You need replacement release films
• You want to protect your LCD screen

Skip if

• You have a different printer model
• You are looking for a complete printer
• You prefer automatic film replacement systems

Verdict: ELEGOO ACF Release Film for Saturn 3 Ultra is the correct replacement part for owners of that specific printer. It ensures your LCD screen stays clear and prints release cleanly.

2 Best budget

ELEGOO Mars 4 Ultra 9K Resin 3D Printer

Best for: High-detail prints with wireless file transfer

Release Film Type

ACF (what this guide is about)

Build Volume

6.04x3.06x6.5 Inches

Printing Technology

MSLA

Leveling Type

4-point leveling system

Features

Wi-Fi

Dimensions

23.8 × 10.6 × 11.2 inches

View on Amazon: ELEGOO Mars 4 Ultra 9K Resin 3D Printer Affiliate link

The ELEGOO Mars 4 Ultra is an MSLA 3D printer featuring a 7-inch 9K mono LCD with 18µm XY resolution. It includes built-in Wi-Fi for 2.4G and 5G file transfers and runs on a Linux OS with 4GB RAM. The unit uses an ACF release liner film and a 4-point leveling system. Its build volume measures 6.04 x 3.06 x 6.5 inches. This printer suits users who want high detail and wireless convenience.

Pros

• 7-inch 9K mono LCD with 18µm XY resolution
• Built-in Wi-Fi supporting 2.4G and 5G networks
• Linux OS with 4GB RAM for fast operation
• 4-point leveling system for consistent prints
• ACF release liner film for high success rates

Cons

• Build volume is limited to 6.04 x 3.06 x 6.5 inches
• Weighs 12.1 pounds, making it less portable
• Requires manual leveling setup initially

Good fit if

• You need high-resolution prints for detailed models
• You want to transfer files wirelessly via Wi-Fi
• You prefer an MSLA printer with an ACF film

Skip if

• You require a larger build volume than 6.04 inches
• You need Bluetooth connectivity instead of Wi-Fi
• You want a printer that weighs less than 10 pounds

Verdict: ELEGOO Mars 4 Ultra 3D Printer delivers sharp 18µm details and wireless transfers for users prioritizing precision and convenience over large build sizes.

Specifications side by side

Is ACF Release Film Worth It for Your Printer?

ACF films are transparent sheets that protect your LCD screen during resin printing. They ensure prints release cleanly without sticking. If you own a Saturn 3 Ultra, this 5-pack fits perfectly at 8.78 inches wide. For Mars 4 Ultra users, the printer itself includes ACF compatibility. The feature matters if you want to maintain screen clarity and avoid damage from improper releases.

Worth it if

• You own a Saturn 3 Ultra and need exact-fit replacements
• You want to keep your LCD screen clear and undamaged
• You prioritize clean print releases without residue

Skip it if

• You use a printer with a different release film type
• You do not print resin models regularly
• You prefer FDM technology over LCD resin printing

How we selected these ACF printers

We identified printers by checking Amazon listings for the ACF release film type. We only included products where the title or feature list explicitly states this specification. You will see only one size or variant per product family to keep the comparison clear. All details come directly from the published specifications and feature lists on those listings. We did not handle these units physically.

The products are ordered by availability first. Next, we sort by the listing's overall rating weighted by the number of ratings. Finally, we rank by how many of our specific criteria the specs meet. This ensures you see the most relevant and highly rated options first. Prices and stock levels are shown live on the page and are refreshed daily, but they are not part of this selection text.

How to Choose the Right ACF Printer

1. Match Film to Your Model

   ACF release films are printer-specific. You must select the exact size for your device. The Saturn 3 Ultra requires an 8.78-inch wide film. The Mars 4 Ultra is a different machine. Using the wrong size damages the screen. Always check the width and length specifications. The Saturn 3 Ultra film measures 12.6 inches long. Ensure the dimensions match your printer’s LCD screen exactly. This prevents costly repairs and ensures clean print releases.

2. Check Printing Technology

   Both listed products use LCD printing technology. This method uses a UV light source to cure resin layer by layer. LCD printers generally offer high resolution for detailed models. The Mars 4 Ultra delivers 18µm details, which is very precise. You should verify the technology type before buying. It affects the quality of your final prints. LCD is standard for high-detail resin printing. Confirm this spec matches your needs for precision and surface finish.

3. Consider Wireless Connectivity

   The Mars 4 Ultra features Wi-Fi connectivity. This allows you to transfer files wirelessly. You do not need to use a USB drive or SD card. This adds convenience for frequent printing sessions. Check if your printer supports this feature. Wireless transfer speeds up your workflow significantly. The Saturn 3 Ultra film does not include this feature as it is a consumable. Decide if wireless transfer is important for your setup.

4. Evaluate Build Volume

   The Mars 4 Ultra has specific dimensions. It measures 10.6 inches wide and 23.8 inches long. This defines the maximum size of your prints. You need to ensure your model fits within these limits. The Saturn 3 Ultra film is 8.78 inches wide. This size is critical for the screen protection. Compare the build volume of your printer. Larger volumes allow for bigger projects. Smaller volumes are better for detailed miniatures.

5. Review Product Weight

   The Mars 4 Ultra weighs 12.1 pounds. This weight indicates the stability of the machine. A heavier printer may vibrate less during printing. This can improve print quality for large models. Check the weight specification if you plan to move the printer. It also affects the table strength needed. The Saturn 3 Ultra film pack is lightweight. Consider the weight when planning your workspace layout and table capacity.

Frequently asked questions

See also

• best 3d printers under 200
• best 3d printers under 300
• best 12K 3d printers
• best heatsinks for 3D Printer