Comgrow 235x235mm Magnetic Build Surface Review (2026): A Spec-Based Look
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This comgrow creality original ultra removable magnetic 3d printer review focuses on the Comgrow 235x235mm Magnetic Build Surface. It is a black replacement plate designed for compatible printers. The two defining specs are its 235x235mm build area and its 0.08-inch thickness. You get a flexible steel sheet with a magnetic backing. The listing notes it weighs 8.82 ounces. This surface allows for easy model removal. You simply bend the plate to pop prints off. It replaces your existing worn bed. The magnetic design ensures it stays flat during printing.
What stands out
- 235x235mm build plate size for standard print volumes
- 0.08-inch thin profile for precise Z-height calibration
- Removable magnetic backing for quick installation and swap
- Flexible steel construction for easy model release
Who it fits
Good fit for
You should buy this if you own a printer with a 235x235mm bed and need a fresh surface. It suits users who struggle with adhesion issues on older plates. The magnetic design helps those who want to swap beds quickly. If you print with materials that stick well to PEI or similar surfaces, this flexible steel option works. It is ideal for maintaining consistent first layers without buying a whole new printer.
Who should skip it
Skip this if your printer uses a different bed size, such as a 220x220mm or 300x300mm frame. The 235x235mm dimension is specific and will not fit other machines. You should also look elsewhere if you need a thicker bed, as this is only 0.08 inches. Users requiring a rigid glass plate for extreme flatness might find the flexible steel too soft. Check your printer manual before ordering to confirm compatibility.
Verdict: This magnetic build surface is a practical replacement for compatible printers needing a standard 235x235mm bed. It offers easy removal and a precise thin profile for reliable printing.
Key specs explained
Build Plate Size 235x235mm
This dimension defines the printable area on your printer bed. A 235x235mm surface allows you to create square or rectangular objects up to those limits. It is the standard size for many popular CR-10 and Ender series printers. You should check your printer’s manual to confirm compatibility before purchasing. This size suits most hobbyist projects without requiring a larger machine.
Thickness 0.08 inches
This thin profile ensures the plate sits flush against your printer’s heated bed. A precise fit helps maintain even heat distribution across the print surface. Thicker plates can cause leveling issues or uneven first layers. This specific thickness is designed to match the clearance of compatible Creality printers. It helps ensure your prints adhere properly from the very first layer.
Weight 8.82 ounces
This weight indicates the plate is lightweight enough to handle easily. You can remove and swap the plate quickly without strain. The low mass helps the bed heat up faster during printing. It also makes cleaning the surface simple. This weight is typical for magnetic build surfaces of this size. It balances durability with ease of use for frequent material swaps.
Color Black
The black finish helps you see contrast between the filament and the plate. This makes it easier to spot the first layer and identify any adhesion issues. Dark surfaces also hide minor scratches or residue better than lighter colors. This is a standard color for magnetic build plates. It provides a neutral background that works well with most filament colors.
Design and Build Quality
The listing describes this build surface as a black, flexible magnetic sheet. Its primary material is a soft magnetic sticker that adheres to your printer's hot bed. This design allows you to remove printed parts by bending the plate. The surface itself is a removable magnetic layer that sticks to the base. You must ensure the soft magnetic bottom and the top layer are firmly adsorbed before installation. If they do not stick, you need to rotate the sheet ninety degrees until the magnetic direction aligns correctly. This step is critical for proper function.
According to the listing, the dimensions are 235 by 235 millimeters. This converts to a width and length of 9.25 inches each. The thickness is listed as 0.08 inches. The weight is 8.82 ounces. These specifications indicate a lightweight, thin profile. The thinness ensures it sits flat on most standard beds without raising the nozzle height significantly. The square layout matches the 235x235mm build area mentioned in the key specs. This size suits many CR-10 and Ender series printers. The black finish provides a neutral background for viewing prints. There are no controls or displays on the plate. It is a passive component. The only interaction is the magnetic attachment. You handle it by peeling it off the bed. The design prioritizes easy part removal and secure adhesion to the underlying surface.
Installation and Daily Operation
Setting up this magnetic build surface requires careful alignment. The listing specifies that you must ensure the soft magnetic sticker and the top layer are firmly adsorbed before installation. If they do not stick together, you should rotate the sheet by ninety degrees and try again. This step is critical to prevent separation during printing. Once the two layers are fully bonded, you can adhere the bottom magnetic part to your printer’s hot bed. Pay close attention to the direction before you finalize the placement. This magnetic design allows for easy removal of prints. You can simply bend the flexible plate to release your object. The 235x235mm build area supports standard prints for many popular CR-10 and Ender series printers. The black surface provides a neutral background for your models. The plate measures 0.08 inches in height, which is a common thickness for these types of beds. This dimension helps maintain bed height consistency. The total weight of the unit is 8.82 ounces, making it lightweight and easy to handle. You can choose from different variations, including a pack of two, if you need a spare. The magnetic attachment ensures the plate stays secure during printing while allowing for quick swaps. This setup is practical for users who print frequently and want to minimize downtime between jobs. The simple magnetic mechanism reduces the need for complex tools or adhesives.
Before You Buy This Surface
You should verify your printer model before purchasing this Comgrow build plate. The 235x235mm dimensions fit standard CR-10 and Ender series machines. If your bed is larger or smaller, this plate will not cover the full area. Check the thickness option you need. The listing offers 0.08-inch and 0.2-inch versions. The thinner sheet is lighter, weighing 8.82 ounces. The thicker variant may offer more stability for heavy prints. You must align the magnetic layers correctly. The instructions warn that the bottom sticker and top layer must adsorb firmly. If they do not stick, rotate the sheet. This step is critical for proper installation. You will need a clean bed surface. Remove any old adhesive or residue. This surface works best on smooth, flat beds. Consider buying a spare if you print often. The listing includes a two-pack option. This saves you from reordering when the surface wears out. It fits well alongside other replacement parts in our guide for 3D Printers & Making Tools.
Check before you buy
- Verify your printer bed size matches 235x235mm exactly.
- Choose between 0.08-inch or 0.2-inch thickness based on stability needs.
- Ensure the magnetic layers adsorb firmly before sticking to the bed.
- Clean your existing hot bed surface thoroughly for best adhesion.
The product at a glance
Comgrow 235x235mm Magnetic Build Surface
Best for: Standard 235x235mm bed replacement
- Dimensions
- 235X235mm
- Color
- Black
- Weight
- 8.82 ounces
View on Amazon: Comgrow 235x235mm Magnetic Build Surface Affiliate link
This is the Creality Original Ultra Removable Magnetic 3D Printer Build Surface by Comgrow. It measures 235x235mm and is 0.08 inches thick. The black plate weighs 8.82 ounces. You need to ensure the magnetic sticker adheres firmly before installation. This surface suits users who need a standard-sized print area for Creality printers. It offers a flexible option for removing prints.
Pros
- 235x235mm build plate size
- Removable magnetic design
- 0.08 inches thickness
- Black color
Cons
- Only 0.08 inches thick option listed
- Requires careful alignment during installation
- Single plate sold separately
Good fit if
- You own a printer with a 235x235mm bed
- You want to easily remove printed parts
- You need a replacement build surface
Skip if
- You require a larger 300mm build area
- You prefer a rigid fixed plate
- You need a thicker 0.2 inch option
Verdict: Comgrow 235x235mm Magnetic Build Surface is a standard replacement plate for 235x235mm printers. It fits users who value easy part removal and standard dimensions.
Specifications side by side
| Spec | Comgrow 235x235mm Magnetic Build Surface |
|---|---|
| Dimensions | 235X235mm |
| Color | Black |
| Build Plate Size | 235x235mm |
| Weight | 8.82 ounces |
| Size | 1-Pack |
| Model | NEW-RCTT-FBA-1 |
Frequently asked questions
Is the Comgrow 235x235mm Magnetic Build Surface compatible with my CR-10 printer?
Yes, this surface is designed for standard 235x235mm beds. It fits many popular CR-10 and Ender series machines. You must verify your printer model before purchasing. The dimensions match the standard build area for these specific printers. If your bed is larger or smaller, this plate will not cover the full area correctly.
How thick is the magnetic build plate?
The plate has a thickness of 0.08 inches. This specific dimension is crucial for proper bed leveling. You need to account for this height when adjusting your Z-offset. The listing specifies this measurement clearly. It ensures the nozzle maintains the correct distance from the printing surface during operation.
What color is the Comgrow build surface?
The build surface is black. This color is standard for many magnetic printing plates. It provides a neutral background for your prints. The listing explicitly describes the item as a black replacement plate. This finish helps you see your prints clearly against the dark background.
Does the magnetic sheet come with a rigid base?
The product listing does not mention a rigid base. It is described as a flexible magnetic sticker. You adhere this soft layer to your existing hot bed. The design relies on your printer's original bed for rigidity. This allows you to bend the plate for easy part removal.
How do I remove prints from this magnetic surface?
You remove prints by bending the flexible plate. The soft magnetic sticker allows the sheet to flex easily. This design feature lets you pop parts off without tools. You must ensure the magnetic layers are firmly adsorbed before installation. This stability prevents shifting during the printing process.
What is the weight of the build surface?
The build surface weighs 8.82 ounces. This weight reflects the material used for the flexible sheet. It is light enough to handle easily during installation. You do not need to worry about excessive weight affecting your printer. The listed weight is specific to this model number.
Is this a replacement plate for a 235x235mm bed?
Yes, it is a standard replacement plate for 235x235mm beds. The build area matches the standard dimensions for many printers. You get a flexible magnetic sheet for easy part removal. It fits users who value standard dimensions. Verify your printer compatibility before placing your order.