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Some 3d printers overpromise. But the FLSUN S1 3d printer brings real value with 155 practical specs & features — including general information, dimensions & weight, environmental & power & build specifications.
A fast snapshot of the FLSUN S1, covering its standout specification and what you can expect right out of the box.
FLSUN S1
The FLSUN S1 is a high-speed delta 3D printer designed for users who want fast results without giving up print quality. Its tall cylindrical build volume makes it especially well suited for vertical models and large single-piece prints, while the lightweight delta motion system allows smooth movement at impressive speeds.
Specifications & Facts 155
Specs measured. Drama avoided.
Specs, performance, and value — we unpacked the FLSUN S1 3d printer across every angle. See how it stacks up against other 3d printers.
General Information 12
FLSUN S1 Intended Use
What is the intended use?
0 FLSUN S1 0 Votes Consumer
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FLSUN S1
This printer is primarily designed for Consumer use, targeting hobbyists and individuals for personal projects.
Identifies the main user category.
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FLSUN S1 Assembly Type
What is the assembly type?
0 FLSUN S1 0 Votes Prebuilt
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FLSUN S1
The printer comes Prebuilt, meaning it is ready to use out of the box with minimal setup required.
Shows whether the printer is sold as a kit requiring assembly or fully prebuilt.
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FLSUN S1 Warranty Period
What is the warranty period?
0 FLSUN S1 0 Votes 1 Year
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FLSUN S1
The printer comes with a 1 Year warranty, covering manufacturing defects and ensuring customer support.
Coverage period offered by the manufacturer.
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FLSUN S1 Product Name
What is the product name?
0 FLSUN S1 0 Votes FLSUN S1
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The commercial name of the 3D printer.
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FLSUN S1 Printer Type
What type of printer is it?
0 FLSUN S1 0 Votes FDM
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Defines the printing technology used by the machine.
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FLSUN S1 Target User Level
What is the target user level?
0 FLSUN S1 0 Votes Beginner
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Indicates the recommended skill level.
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FLSUN S1 Model Number
What is the model number?
0 FLSUN S1 0 Votes S1
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Manufacturer’s reference code for precise identification.
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FLSUN S1 Release Year
What is the release year?
0 FLSUN S1 0 Votes 2024
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The year the 3D printer was first released.
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FLSUN S1 Supported Applications
What applications are supported?
0 FLSUN S1 0 Votes Prototyping, Engineering
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Lists the most common applications supported.
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FLSUN S1 Assembly Required
Is assembly required?
No 0Votes FLSUN S1
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States if the printer requires assembly.
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FLSUN S1 Upgrade Path
Does it support an upgrade path?
Yes 0Votes FLSUN S1
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Whether the printer can be expanded with official or third-party upgrades.
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FLSUN S1 Country of Origin
What is the country of origin?
0 FLSUN S1 0 Votes China
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The country where the product is designed or manufactured.
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Dimensions & Weight 10
FLSUN S1 Width
What is the printer’s width?
21.65 inch 0Votes
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FLSUN S1
The overall width of the printer is 21.65 inches (54.99 cm), which is important for space planning.
The total external width of the printer.
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FLSUN S1 Weight
What is the printer’s weight?
85.98 lbs 0Votes
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FLSUN S1
The printer has a weight of 85.98 lbs (39.00 kg), indicating a robust build and requiring a stable surface for placement.
Net weight of the printer.
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FLSUN S1 Package Height
What is the package height?
43.31 inch 0Votes
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FLSUN S1
The package height is 43.31 inches (109.91 cm), which is useful for logistics and storage planning before assembly.
Height of the printer’s packaging.
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FLSUN S1 Depth
What is the printer’s depth?
23.43 inch 0Votes
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The total external depth of the printer.
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FLSUN S1 Height
What is the printer’s height?
40.55 inch 0Votes
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The total external height of the printer.
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FLSUN S1 Package Width
What is the package width?
24.41 inch 0Votes
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Width of the printer’s packaging.
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FLSUN S1 Package Depth
What is the package depth?
25.98 inch 0Votes
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Depth of the printer’s packaging.
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FLSUN S1 Package Weight
What is the package weight?
112.44 lbs 0Votes
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total shipping weight including packaging.
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FLSUN S1 Build-to-Printer Size Ratio
What is the build-to-printer size ratio?
55 % 0Votes
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The efficiency ratio of build volume relative to the overall printer size.
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FLSUN S1 Space Requirement
What is the space requirement?
6 sq ft 0Votes
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The minimum flat surface area needed to safely place the printer.
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Environmental & Power 9
FLSUN S1 Power Consumption
What is the power consumption?
1,300 Watt 0Votes
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FLSUN S1
The printer has a power consumption of 1300 Watt, which reflects its heating capabilities and motor power during operation.
Average power usage during active printing.
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FLSUN S1 Storage Temperature Range
What is the storage temperature range?
0 FLSUN S1 0 Votes 32-104°F
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FLSUN S1
For optimal longevity and performance, the printer should be stored within a temperature range of 32-104°F (0-40°C).
Safe temperature range for storing the printer when not in use.
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FLSUN S1 Operating Temperature Range
What is the operating temperature range?
0 FLSUN S1 0 Votes 50-86°F
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FLSUN S1
The ideal operating temperature range for this printer is 50-86°F (10-30°C), which helps ensure optimal print quality and material performance.
Recommended ambient temperature range for safe operation.
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FLSUN S1 Energy Saving Mode
Does it have energy saving mode?
Yes 0Votes FLSUN S1
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FLSUN S1
An energy-saving mode is available, designed to reduce power consumption when the printer is idle or between prints.
Whether the printer includes an energy-saving or eco mode.
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FLSUN S1 Power Supply Voltage
What is the required power supply voltage?
0 FLSUN S1 0 Votes 100-240 Volt
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Voltage input supported by the printer’s power supply.
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FLSUN S1 Storage Humidity Range
What is the storage humidity range?
0 FLSUN S1 0 Votes 10-90%
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Safe humidity range for storing the printer.
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FLSUN S1 Operating Humidity Range
What is the operating humidity range?
0 FLSUN S1 0 Votes 20-80%
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Acceptable humidity range during printer operation.
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FLSUN S1 Power Supply Type
What type of power supply does it use?
0 FLSUN S1 0 Votes Internal
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Indicates whether the printer uses an internal or external power supply.
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FLSUN S1 Idle Power Consumption
What is the idle power consumption?
60 Watt 0Votes
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Power drawn while the printer is on but not printing.
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Build Specifications 21
FLSUN S1 Build Height
What is the build height?
16.93 inch 0Votes
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FLSUN S1
This measurement indicates the maximum vertical build space available. A build height of 16.93 inches (43.00 cm) allows for printing taller models.
Maximum printable height of the build area.
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FLSUN S1 Extruder Drive Type
What type of extruder drive does it use?
0 FLSUN S1 0 Votes Direct Drive
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FLSUN S1
A Direct Drive extruder mounts the motor directly above the hotend, offering better control for flexible filaments and reducing stringing.
The type of filament feeding system.
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FLSUN S1 Optional Nozzle Sizes
What optional nozzle sizes are supported?
0 FLSUN S1 0 Votes 0.2mm, 0.4mm, 0.6mm, 0.8mm
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FLSUN S1
The printer offers a range of optional nozzle sizes, including 0.2mm, 0.4mm, 0.6mm, and 0.8mm, allowing users to optimize for detail or speed.
Alternative nozzle sizes supported.
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FLSUN S1 Hotend Replaceable
Is the hotend replaceable?
Yes 0Votes FLSUN S1
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FLSUN S1
The hotend is replaceable, allowing for easy upgrades or replacements in case of wear or damage, which extends the printer's lifespan.
Whether the hotend can be replaced.
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FLSUN S1 Build Width
What is the build width?
12.6 inch 0Votes
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Maximum printable width of the build area.
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FLSUN S1 Build Depth
What is the build depth?
12.6 inch 0Votes
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Maximum printable depth of the build area.
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FLSUN S1 Layer Resolution Minimum
What is the minimum layer resolution?
100 microns 0Votes
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Finest layer height achievable.
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FLSUN S1 Layer Resolution Maximum
What is the maximum layer resolution?
400 microns 0Votes
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Thickest layer height achievable.
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FLSUN S1 Standard Nozzle Diameter
What is the standard nozzle diameter?
0.4 mm 0Votes
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Default nozzle diameter provided.
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FLSUN S1 Filament Diameter Supported
What filament diameter is supported?
1.75 mm 0Votes
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The filament size compatible with printer.
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FLSUN S1 Max Extruder Temperature
What is the max extruder temperature?
662 °F 0Votes
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Maximum heating capability of extruder.
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FLSUN S1 Max Bed Temperature
What is the max bed temperature?
248 °F 0Votes
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Maximum heated bed temperature.
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FLSUN S1 Heated Chamber
Does the printer have a heated chamber?
No 0Votes FLSUN S1
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Whether the printer has a heated build chamber.
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FLSUN S1 Number of Extruders
How many extruders does the printer have?
0 FLSUN S1 0 Votes 1
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total extruders installed.
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FLSUN S1 Dual Extruders
Does it support dual extruders?
No 0Votes FLSUN S1
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Indicates if printer can run dual extruders.
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FLSUN S1 Build Volume
What is the build volume?
1,730 cubic in 0Votes
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total printable volume capacity.
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FLSUN S1 Min Extruder Temperature
What is the min extruder temperature?
68 °F 0Votes
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Lowest operable extruder temperature.
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FLSUN S1 Bed Temperature Gradient
What is the bed temperature gradient?
9 °F 0Votes
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Variance in heat across the bed surface.
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FLSUN S1 Chamber Temperature Control Range
What is the chamber temperature control range?
0 FLSUN S1 0 Votes None
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Range of temperatures the printer chamber can maintain
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FLSUN S1 Independent Dual Extruder
Does it have IDEX support?
No 0Votes FLSUN S1
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Whether the printer supports independent extruder heads.
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FLSUN S1 Quick-Swap Nozzles
Does it have quick-swap nozzles?
Yes 0Votes FLSUN S1
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Nozzles can be quickly swapped without tools.
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Materials & Compatibility 11
FLSUN S1 Filament Auto-Loading
Does it have filament auto-loading?
Yes 0Votes FLSUN S1
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FLSUN S1
The printer features filament auto-loading, simplifying the process of changing or inserting new filament by automatically feeding it into the extruder.
Automatic feeding of filament into extruder.
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FLSUN S1 Supported Filament Types
What filament types are supported?
0 FLSUN S1 0 Votes ASA
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Filament materials that the printer can process.
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FLSUN S1 Max Supported Filament Diameter
What is the maximum supported filament diameter?
1.75 mm 0Votes
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Maximum filament diameter that can be used.
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FLSUN S1 Filament Dry Box
Does it support filament dry boxes?
No 0Votes FLSUN S1
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Supports use of a dry box to prevent filament moisture issues.
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FLSUN S1 Filament Drying Required
Is filament drying required?
No 0Votes FLSUN S1
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Whether drying filament before use is necessary.
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FLSUN S1 Multi-Material Printing
Can it print with multiple materials?
No 0Votes FLSUN S1
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Ability to print with multiple materials simultaneously.
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FLSUN S1 Max Number of Materials Supported
What is the maximum number of materials supported?
0 FLSUN S1 0 Votes 1
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Maximum distinct materials supported in one job.
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FLSUN S1 Third-Party Material
Does it support third-party materials?
Yes 0Votes FLSUN S1
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Ability to use non-proprietary materials.
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FLSUN S1 Supported Resin Types
What resin types are supported?
0 FLSUN S1 0 Votes None
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Resin types that the printer can use.
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FLSUN S1 Resin Auto-Fill
Does it have resin auto-fill?
No 0Votes FLSUN S1
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Automatic filling of resin during prints.
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FLSUN S1 Biocompatible Materials Support
Does it support biocompatible materials?
No 0Votes FLSUN S1
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Supports resins/filaments approved for medical or dental use.
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Print Speed & Performance 14
FLSUN S1 Spaghetti/Fault Detection
Does it have spaghetti or fault detection?
Yes 0Votes FLSUN S1
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FLSUN S1
The printer includes spaghetti and fault detection, which can automatically pause or stop a print if it detects an error, preventing wasted filament and potential damage.
Detects failed prints or filament tangles.
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FLSUN S1 Measured Effective Print Speed
What is the effective measured print speed?
300 mm/s 0Votes
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FLSUN S1
The measured effective print speed is 300 mm/s, indicating a fast printing capability for various models.
Independently measured real-world print speed.
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FLSUN S1 Continuous Print Time
What is the max continuous print time?
72 hours 0Votes
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FLSUN S1
The printer is rated for a continuous print time of up to 72 hours, suitable for very large or complex projects.
Maximum supported printing time without interruption.
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FLSUN S1 Official Max Print Speed
What is the official max print speed?
1,200 mm/s 0Votes
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Manufacturer-claimed maximum print speed.
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FLSUN S1 First Layer Calibration
How is the first layer calibrated?
0 FLSUN S1 0 Votes Auto
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Method used for first-layer bed calibration.
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FLSUN S1 Print Adhesion Type
What type of print adhesion is used?
0 FLSUN S1 0 Votes PEI
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Method used to secure prints to the bed.
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FLSUN S1 Time to Print Benchy
How long does it take to print a Benchy?
18 minutes 0Votes
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Average time to complete the benchmark “Benchy” model.
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FLSUN S1 Print Accuracy
What is the print accuracy?
100 microns 0Votes
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Degree of dimensional accuracy of printed parts.
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FLSUN S1 Bridging Performance
What is the bridging performance?
20 mm 0Votes
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Longest unsupported horizontal span printed without sagging.
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FLSUN S1 Overhang Performance
What is the overhang performance?
60 degrees 0Votes
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Maximum angle of unsupported overhangs achievable.
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FLSUN S1 Print Recovery
Does the printer support print recovery?
Yes 0Votes FLSUN S1
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Ability to resume print after power loss or interruption.
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FLSUN S1 Print Success Rate
What is the print success rate?
95 % 0Votes
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Percentage of prints successfully completed.
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FLSUN S1 Operating Noise Level
What is the operating noise level?
55 dB 0Votes
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Measures the sound generated during printing; lower is quieter.
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FLSUN S1 Idle Noise Level
What is the idle noise level?
40 dB 0Votes
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Measures the noise when printer is on but not printing; lower is better.
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Hardware Features 20
FLSUN S1 Enclosure
Is the printer open or enclosed?
0 FLSUN S1 0 Votes Closed
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FLSUN S1
The printer features a Closed enclosure, which helps maintain a stable internal temperature for printing advanced materials and reduces noise and odors.
Whether the printer has an open or enclosed build chamber.
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FLSUN S1 Air Filtration
What type of air filtration is included?
0 FLSUN S1 0 Votes HEPA
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FLSUN S1
The printer is equipped with HEPA air filtration, which effectively captures ultrafine particles and helps maintain a cleaner air environment around the printer.
Air filtering system for reducing fumes and particulates.
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FLSUN S1 Build Plate Surface Texture
What is the build plate texture?
0 FLSUN S1 0 Votes Textured
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FLSUN S1
The build plate features a Textured surface, which enhances print adhesion for the first layer.
Surface finish of the build plate.
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FLSUN S1 Build Plate Removable
Is the build plate removable?
Yes 0Votes FLSUN S1
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FLSUN S1
The build plate is removable, which simplifies the process of detaching finished prints and allows for easier cleaning.
Whether the build plate can be detached for print removal.
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FLSUN S1 Auto Bed Leveling
Does it support auto bed leveling?
Yes 0Votes FLSUN S1
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FLSUN S1
Automatic bed leveling is featured on this printer, which greatly simplifies setup and ensures a perfect first layer for every print.
Automatic calibration of the print bed.
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FLSUN S1 Filament Runout Sensor
Does it have a filament runout sensor?
Yes 0Votes FLSUN S1
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FLSUN S1
A filament runout sensor is included, which automatically pauses the print when filament runs out, allowing for a timely reload and print continuation.
Detects when filament runs out and pauses printing.
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FLSUN S1 Screen Resolution
What is the display resolution?
0 FLSUN S1 0 Votes 480x320p
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FLSUN S1
The screen features a resolution of 480x320p, providing clear visuals for navigating menus and monitoring print status.
Resolution of the display screen.
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FLSUN S1 Frame Type
What is the frame type?
0 FLSUN S1 0 Votes Delta
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Mechanical structure style of the printer.
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FLSUN S1 Touchscreen Display
Does it have a touchscreen display?
Yes 0Votes FLSUN S1
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Indicates if a touchscreen is provided for controls.
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FLSUN S1 Screen Size
What is the display screen size?
5 Inch 0Votes
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Size of the display screen.
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FLSUN S1 Power Loss Recovery
Does it support power loss recovery?
Yes 0Votes FLSUN S1
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Recovers print jobs after power interruptions.
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FLSUN S1 Motion System
What is the motion system?
0 FLSUN S1 0 Votes Linear Rails
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Mechanical motion system guiding the print head.
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FLSUN S1 Vibration Compensation
Does it support vibration compensation?
Yes 0Votes FLSUN S1
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Compensation system to reduce print artifacts.
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FLSUN S1 Built-in Camera
Does it have a built-in camera?
No 0Votes FLSUN S1
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Camera for monitoring prints and creating time-lapses.
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FLSUN S1 Lighting Inside Chamber
Does it have chamber lighting?
No 0Votes FLSUN S1
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Chamber lighting to monitor prints in progress.
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FLSUN S1 Chamber Lighting Color Modes
What chamber lighting modes are available?
0 FLSUN S1 0 Votes None
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Options for chamber lighting colors.
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FLSUN S1 Build Plate Type
What type of build plate does it have?
0 FLSUN S1 0 Votes PEI, Magnetic, Flex, Spring Sheet
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Type of build surface material.
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FLSUN S1 Manual Bed Leveling
Does it support manual bed leveling?
No 0Votes FLSUN S1
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Support for traditional manual bed leveling.
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FLSUN S1 Cooling Fans
Does it have cooling fans?
Yes 0Votes FLSUN S1
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Fans for cooling extruder and printed layers.
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FLSUN S1 Toolhead Modularity
What modular toolheads are supported?
0 FLSUN S1 0 Votes None
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Whether the toolhead can be swapped for other functions.
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Connectivity & Software 13
FLSUN S1 Supported File Formats
What file formats are supported?
0 FLSUN S1 0 Votes G-code
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FLSUN S1
The printer natively supports G-code files, which contain the instructions for the print head's movements and extruder operations.
File types accepted for printing.
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FLSUN S1 Cloud-Based Software
Does it support cloud-based software?
Yes 0Votes FLSUN S1
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FLSUN S1
The printer supports cloud-based software, enabling remote management and monitoring of print jobs from anywhere.
Indicates whether the printer uses or supports cloud software.
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FLSUN S1 Supported Slicers
Which slicers are supported?
0 FLSUN S1 0 Votes FLSUN Slicer
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Slicer programs that are compatible with the printer.
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FLSUN S1 Connectivity Options
What connectivity options are available?
0 FLSUN S1 0 Votes USB
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Available connection types for file transfer and control.
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FLSUN S1 File Transfer Method
What file transfer methods are supported?
0 FLSUN S1 0 Votes SD Card
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Methods available to transfer files to the printer.
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FLSUN S1 Time-Lapse Recording
Does it support time-lapse recording?
Yes 0Votes FLSUN S1
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Ability to capture time-lapse videos of prints.
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FLSUN S1 Remote Monitoring
Does it support remote monitoring?
Yes 0Votes FLSUN S1
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Ability to monitor prints remotely via app or web.
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FLSUN S1 Proprietary Software Required
Is proprietary software required?
No 0Votes FLSUN S1
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Whether use of manufacturer’s software is mandatory.
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FLSUN S1 Mobile App
Does it support a mobile app?
Yes 0Votes FLSUN S1
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Ability to use a mobile app for control/monitoring.
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FLSUN S1 API/SDK Integration
Does it support API/SDK integration?
No 0Votes FLSUN S1
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Allows developers to integrate with APIs or SDKs.
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FLSUN S1 Multi-Printer Fleet Control
Does it support multi-printer fleet control?
No 0Votes FLSUN S1
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Supermod 
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