Stereolithography (SLA) 3D Printing Service
SLA is widely recognized for producing high-accuracy, isotropic, and watertight prototypes and components using advanced materials that deliver fine details and smooth surface finishes. Our SLA 3D printing service supports rapid prototyping needs with instant online quoting available.
SLA 3D Printing Service in China
If you need a fast, cost-effective method for producing presentation models or evaluating prototype fit and finish, stereolithography (SLA) offers an ideal solution. Fuming is a globally certified provider of SLA 3D printing services, delivering high-quality stereolithography parts with precision. This advanced 3D printing technology produces exceptionally accurate, high-resolution components suitable for end-use applications, low-volume production, or rapid prototyping. SLA provides superior resolution compared to many other 3D printing technologies, enabling customers to produce parts with fine details and excellent surface finishes.
SLA 3D Printing Service – Online Quote
Searching for the ideal manufacturing partner? Fuming delivers top-tier online 3D printing services for your resin components. Through our intelligent online quoting system, you can explore multiple options, receive an instant quote, and entrust production to our ISO 9001 certified facility. Upload your 3D file today to get started.
How Our SLA Solutions Can Support Your Projects
Create high-precision, detailed 3D models with complex geometries quickly and affordably. Streamline design processes for various applications, including form/fit models, mechanical prototypes, and master patterns for urethane casting.
Achieve superior surface finishes using a range of paints and textures for visually striking presentation models. Eliminate reliance on hazardous filaments and powders, supporting more environmentally sustainable additive manufacturing.
SLA General Tolerances
| Description | Standard Resolution | High Resolution |
|---|---|---|
|
Build envelope |
29” x 25” x 21” |
10” x 10” x 10” |
|
Layer height |
0.004″ |
0.002″ |
|
Tolerance, XY Plane |
+/- 0.005” for the first inch is typical, plus +/- 0.002” for every inch thereafter. |
+/- 0.005” for the first inch is typical, plus +/- 0.002” for every inch thereafter. |
|
Tolerance, Z Plane |
+/- 0.010” for the first inch is typical, plus +/- 0.002” for every inch thereafter. |
+/- 0.010” for the first inch is typical, plus +/- 0.002” for every inch thereafter. |
|
Minimum linear feature size |
Under 0.030” are at risk and under 0.020” will not build. |
Under 0.020” are at risk and under 0.010” will not build. |
|
Minimum radial feature size |
0.035″ |
0.030″ |
SLA Material Options
This widely used general-purpose SLA material offers a balance of flexibility and strength between molded polypropylene and molded ABS, making it an excellent choice for functional prototypes. Fuming can produce parts up to 29 in. x 25 in. x 21 in. using ABS-Like White, making it a preferred option when you need an extensive build envelope for larger components.
This widely used general-purpose SLA material delivers a balance of flexibility and strength between molded polypropylene and molded ABS, making it well-suited for functional prototypes. Fuming offers ABS-Like Gray, which provides the highest heat deflection temperature (HDT) among ABS-like SLA resins.
ABS-Like Black (Accura 7820) is a versatile, widely used general-purpose SLA material. Its deep black coloration and glossy up-facing surfaces provide the appearance of molded parts, though layer lines may remain visible on side profiles. This material features low moisture absorption of just 0.25% per ASTM D570, ensuring enhanced dimensional stability in finished components. Compared to other SLA materials, ABS-Like Black offers mid-range values across all mechanical properties, making it a reliable choice for various applications.
This material offers a distinctive combination of low moisture absorption (0.35% to 0.25% per ASTM D570) and near-colorless transparency. Secondary finishing operations are necessary to achieve functional clarity, with parts retaining a subtle blue hue afterward. While suitable for general-purpose applications, WaterShed is particularly ideal for flow-visualization models, light pipes, and lenses.
MicroFine™ is a custom-formulated material available in gray and green, exclusive to Protolabs. This ABS-like thermoset is printed using Protolabs’ specialized machinery to achieve high-resolution features as small as 0.002 inches. It is ideally suited for small parts, typically within 1 inch by 1 inch by 1 inch. In terms of mechanical properties, MicroFine offers mid-range tensile strength and modulus among SLA materials, while falling on the lower end for impact strength and elongation.
PP-Like Translucent White (Somos 9120) is the most flexible SLA option outside of Carbon RPU 70 and FPU 50. In direct comparison to the average values of an injection-molded polypropylene, 9120 has similar tensile strength, tensile modulus, flexural modulus, and impact strength. The only departure from molded PP is its elongation value, which is only 25% of the molded thermoplastic.
PC-Like Advanced High Temp (Accura 5530) produces strong, rigid components with excellent heat resistance. A thermal post-cure option can increase HDT up to 482°F at 0.46 MPa loading. This material offers the highest E-modulus among all unfilled SLA materials and is recognized for its resistance to automotive fluids. However, the thermal curing process does reduce durability, resulting in a 50% decrease in elongation properties. Fuming utilizes this advanced material for applications requiring exceptional temperature performance.
PC-Like Translucent/Clear (Accura 60) serves as an alternative to general-purpose ABS-like materials and WaterShed XC 11122 when stiffness is required. Similar to WaterShed, this material can be custom finished through secondary processing to achieve functional transparency. Fuming offers Accura 60, which delivers the highest tensile strength and elastic modulus among all SLA materials except for the Advanced High Temp options that typically undergo thermal curing.
Ceramic-Like Advanced HighTemp (PerFORM) delivers the highest tensile strength and E-modulus, making it the stiffest performance material among all SLA options. When the thermal cure process is applied to PerFORM parts, they achieve the highest HDT of any SLA material—up to 514°F at 0.46 MPa loading. Fuming utilizes this advanced material for applications demanding exceptional rigidity and heat resistance.
Our True silicone material is 100% pure silicone, available in various Shore-A hardness levels as detailed below. It is suitable for producing both functional prototypes and end-use products. This material offers excellent resistance to harsh environmental conditions, as well as various acids, bases, and nonpolar solvents.
Available SLA finishes
Supported surfaces are lightly sanded using 220 or 320 grit sandpaper, then media blasted to achieve a consistent matte finish.
Supported surfaces are lightly sanded using 220 or 320 grit sandpaper to enhance surface quality, though visible sanding scratches will remain on these areas.
Supported areas may exhibit small grid-like dots or surface blemishes resulting from support removal.
This finish is available for Accura ClearVue parts. Only supported surfaces undergo sanding, though visible layering may still remain. A high-gloss clear coat is then applied to enhance the part’s natural clarity and appearance.
Fuming offers additional SLA finishing options tailored to your requirements, including sanding, polishing, painting, post-thermal processing, and plating.
Benefits of SLA 3D printing
Simplifies Complex Processes
Many 3D printing techniques produce rough builds requiring post-processing to refine surface finishes, limiting their use to size or dimensional testing. Stereolithography, however, allows manufacturers to incorporate finer finishes directly into complex-geometry print designs, significantly reducing post-processing requirements.
Reduces Post-Manufacture Work
Other additive methods often create layer variations that result in rough or textured surfaces. Stereolithography achieves isotropy—uniform layer bonding—through consistent curing between layers, minimizing visible layer lines. This uniformity makes SLA one of the few single-state additive processes, reducing the need for extensive post-production cleaning or polishing.
Enables On-Demand Flexibility
SLA 3D printers can utilize multiple resin tanks, enabling manufacturers to print objects with different colors or slightly varied material properties in a single pass. This capability allows for producing finished toys ready for immediate use or creating structures with zones of varying flexibility within one build.
What is SLA 3D Printing & Stereolithography?
Stereolithography (SLA), commonly referred to as SLA, is the most widely adopted resin 3D printing technology and is widely regarded as delivering the highest accuracy and best surface finish among prototyping and 3D printing processes. This industrial 3D printing method is used to produce concept models and complex, highly detailed parts. Its popularity stems from the ability to fabricate many components in as little as one day. With Fuming’s secondary finishing services—including painting and surface treatment—we can make your parts and their intricate details truly stand out.
Overview of the SLA 3D Printing Process
Stereolithography (SLA) is an epoxy-based photopolymer system that uses lasers to cure resin on the cross-sectional area of each part layer. The process begins with a recoating blade applying a thin layer of resin, followed by an ultraviolet laser tracing the part geometry onto that resin. After completing one layer, this cycle repeats until the entire build is finished.
Once printing is complete, parts are removed and placed in a solvent bath to eliminate excess resin. The SLA process requires supports made from the same material as the part, which must be removed manually. Following support removal, parts undergo a curing cycle in a UV curing machine to achieve final material properties.
High-Speed SLA Design Guidelines
Please note that these are general guidelines rather than strict rules. Following them will help ensure your design is well-prepared, and we’ll let you know if we identify any potential concerns.
| Parameter | Inches | Milimeters |
| Minimum Supported Wall Thickness | 0.030 | 0.75 |
| Minimum Unsupported Wall Thickness | 0.040 | 1.00 |
| Minimum Supported Bosses | 0.030 | 0.75 |
| Minimum Unsupported Bosses | 0.040 | 1.00 |
| Minimum Embossed Detail (Height and Width) | 0.010 | 0.25 |
| Minimum Engraved Detail (Height and Width) | 0.010 | 0.25 |
| Clearance | 0.010 | 0.25 |