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FAQs About SLA 3D Printing

  • How do I get an SLA 3D printing quote?

    Upload your CAD files and share your resin preference, quantity, tolerance, surface finish, and application requirements. Our engineers will review your project and provide resin recommendations, lead time, and quotation details.
  • Is SLA suitable for functional prototypes?

    Yes, SLA can be used for fit checks, assembly review, limited functional testing, housings, brackets, and product validation samples. Tough resin or high-temperature resin can be selected when better strength or heat resistance is needed.
  • What file formats do you accept for SLA quotes?

    We accept common 3D model formats including STL, STEP, STP, OBJ, IGES, SLDPRT, and 3MF. Technical drawings with tolerance, material, finish, and quantity details help us provide a more accurate quote.
  • Can SLA parts be polished or painted?

    Yes. SLA parts can be sanded, polished, painted, clear coated, and assembled. Clear resin parts can be polished or clear coated to improve transparency and presentation quality.
  • Is SLA stronger than FDM?

    SLA usually provides smoother surfaces and finer details than FDM, while FDM may be better for larger, lower-cost plastic parts. For stronger functional parts, tough resin, SLS, MJF, or CNC machining may be considered depending on application requirements.
  • How long does SLA 3D printing take?

    Typical SLA lead time is 2–5 days for many prototype parts. Lead time may vary depending on part size, quantity, resin type, surface finish, inspection, and project complexity.

     

  • What tolerance can SLA 3D printing achieve?

    Typical SLA tolerance is around ±0.1–0.2 mm, depending on part size, geometry, wall thickness, resin material, orientation, and post-processing requirements.
  • Can SLA 3D printing make clear parts?

    Yes. Clear resin is available for transparent prototypes, display models, visual testing parts, clear covers, and fluidic demonstration samples. Polishing and clear coating can improve transparency and gloss.
  • What materials are available for SLA 3D printing?

    SLA uses photopolymer resin materials. Common options include standard resin, tough resin, clear resin, high-temperature resin, flexible resin, and castable resin.
  • What is SLA 3D printing best for?

    SLA 3D printing is best for smooth resin prototypes, clear parts, appearance models, medical models, product samples, and small detailed components that require high visual quality and fine features.
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