Professional Finishing + Assembly

We know the right finish can mean the difference between a raw part and a market-ready product. That’s why our expert staff—including jewelers, welders, and artists with years of experience—provide hand finishing, surface treatment, and assembly solutions. You can ensure your end-use parts meet tight tolerances with precise post-processing machining, or give your prototypes a production-quality look and feel to receive immediate customer feedback.

Finishing and Assembly APPLICATIONS


Hand Finishing

Turn to our Hand Finish services for a cost effective finish when you need functional parts, with enhanced aesthetics. We use several techniques to prep and smooth the exterior and interior of parts, including:

  • Support removal
  • Media blasting
  • Hand sanding
  • Tumbling
  • Sealing
  • Machining to dimensional tolerances
  • Assembly
  • Micro-welded inserts

Surface Treatments

Improve your part’s appearance or functionality with our Surface Treatment services. We have a wide selection of coatings and paint for non-cosmetic and cosmetic applications, including:

  • Vapor polishing
  • Primer
  • Paint
  • Rubberized paint
  • Mold-tec finishes
  • Electroplating
  • Decals
  • Artwork
  • Texturizing
  • Dying

Finishing and Assembly Image GALLERY

Finishing and Assembly: Frequently Asked Questions


How does resolution or layer thickness affect the surface of a 3D printed part?

3D printed parts typically have visible “stair stepping” on sloped and angled surfaces due to the layering nature of the process, which can easily be improved by sanding and coating. Printing at higher resolutions can reduce the appearance of stepping, but it incurs the added expense of extra build time. If extremely smooth surfaces are desired, finishing with sanding and coating may be a more efficient solution.

Can large parts be built in sections and then bonded?

Yes. Objective3D Direct Manufacturing has developed techniques for modifying designs to ensure large parts remain accurate, and our professional technicians have expertise in assembling over-sized parts from separately printed sections.

Choosing the Right 3D Printing Material for your Application

Surface finish is largely affected by the material and process that builds the part. First, learn the basics of choosing the right materials and processes based on your project.
Read the white paper
And if you’re ready to build now, use our no-hassle Quote Tool.