SLA / Resin

SLA · Resin Precision Prints

SLA and resin 3D printing when smooth surfaces and fine detail matter most.

Quick answer

SLA resin printing suits visual prototypes, precision models and master patterns where smooth surfaces and fine detail matter, with Standard, Tough, Clear and Flexible resins. Washing and curing are included; SLA cures with a laser, while DLP cures a whole layer at once.

Resins
4
Resins
Standard · Tough · Clear · Flexible
Minimum wall
0.6mm
Minimum wall
Recommended for resin
Post-processing
Wash·cure
Post-processing
Handled end to end
Typical delivery
3–7 days
Typical delivery
After order confirmation

Where resin printing shines

  • Design validation

    Smooth surfaces close to the final product look.

  • Precision prototypes

    Complex shapes and fine micro-features.

  • Master patterns

    Originals for silicone molds where the surface matters.

  • Jewelry · dental models

    Small models that demand intricate detail.

How Resin Works

Light cures resin, one layer at a time

Resin parts are finished only after washing and post-curing — we handle that too.

  1. STEP 1

    Choose resin

    Standard for looks, Tough for tests, Clear for transparency, Flexible for give.

    Output

    Resin selected

  2. STEP 2

    Photo-cure layers

    SLA cures point by point with a laser; DLP cures a whole layer at once.

    Output

    Printed part

  3. STEP 3

    Wash · post-cure

    Excess resin is washed off and the part is post-cured.

    Output

    Post-processed

  4. STEP 4

    Supports · inspection

    Support marks are cleaned up and the part is checked before shipping.

    Output

    Typically 3–7 days

Resin

Pick the resin for the job

Standard for appearance, Tough for functional tests, Clear for transparent parts, Flexible for cushioning.

Visual prototypes

Standard · Economical

Great surface quality and detail. Limited under functional loads.

Surface · detail
Strength
Clarity
Flexibility
Assembly · functional tests

Tough · Durable

Strong and impact-resistant for fastening and fit checks. May cost more.

Surface · detail
Strength
Clarity
Flexibility
Covers · windows

Clear · Transparent

High transparency after post-processing.

Surface · detail
Strength
Clarity
Flexibility
Grips · cushioning

Flexible · Flexible

Allows deformation and absorbs shock. Affected by hardness and storage conditions.

Surface · detail
Strength
Clarity
Flexibility

Bars reflect general tendencies from our resin guide; results vary with geometry, thickness, and post-processing.

Real Output

Real 3D printing work by WOW3D

Parts we printed in-house on FDM, SLA and DLP machines. See more in the print gallery.

  • Micro precision part — Resin SLA 3D printed part by WOW3D

    Micro precision part

    SLA · Resin

  • Fashion accessory — Resin DLP 3D printed part by WOW3D

    Fashion accessory

    DLP · Resin

  • Museum exhibit models — White resin SLA 3D printed part by WOW3D

    Museum exhibit models

    SLA · White resin

  • Flexible resin mechanism — Flexible resin DLP 3D printed part by WOW3D

    Flexible resin mechanism

    DLP · Flexible resin

SLA vs DLP

SLA and DLP cure resin differently

Both are precision processes that cure the same resins with light. How the light is applied changes speed and equipment traits.

SLA

UV laserPoint-by-point scan
Fine detail · visual models

DLP

Projected lightWhole-layer cure
Repeat small parts

Tips for precision parts

  1. Leave clearance for assemblies — see the tolerance guide
  2. Keep walls at least 0.6mm
  3. Mark faces that must stay free of support marks

Frequently asked questions

Q

When should I choose resin 3D printing?

When surface quality, fine detail, and appearance prototypes matter — SLA/DLP resin is recommended.

Q

What tolerances can precision printing hold?

It depends on process, material, and finishing. Leave clearance for assemblies using our tolerance guide.

Q

What is the difference between SLA and DLP?

Both use resin. SLA scans with a laser; DLP cures a full layer at once — speed and machine traits differ.

Related guides

Related use cases

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