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Scanning sprays

 [Updated on April 12, 2018]

In most cases, it is not required to spray an object before 3D scanning it (thanks to the Sensitivity feature in Artec Studio). Nevertheless, it’s useful to know which sprays our partners and customers use for capturing objects whose surface is too shiny, too transparent or otherwise difficult to capture. This article offers you some guidelines for choosing a good scanning spray.

Important note: always observe the safety precautions before applying a spray. Each spray has its own set of precautions, which are written on the label of the spray can itself.

 

Helling 3D Laserscanning Anti-Glare Spray

  • Company: Helling GMBH. Can be purchased at https://3dscanspray.com/
  • Feature: possibly the most frequently used spray of all. Most customers report using this specific spray.
  • Note: requires manual removal after 3D scanning (with a microfibre cloth, dusting brush or similar).

unnamed3.png

 

Cyclododecane Spray (link)

  • Company: Kremer Pigmente (http://kremer-pigmente.de/en).
  • Feature: evaporates from an object within several hours of application.
  • Note: apply with care to avoid “snowflake effect” on the surface (doing so is critical if the object has small geometrical features that you’d like to capture).

The pictures below show a skull that was fully covered with Cyclododecane spray. Note that the applied layer was intentionally thick, since the goal was to calculate the maximum time required for the spray to evaporate.

spray_timing_skull_numbers.png

  • Photo 1: 0 hours after applying the spray
  • Photo 2: 3 hours after application (partial evaporation)
  • Photo 3: 20 hours after application

Artec Gold Partner Patrick Thorn shared another picture with us (a hi-res version is available at the end of the article):

Scan_with_Artec_Spraycoating.bmp

 

Krylon Dulling Spray (link)

  • Company: Krylon
  • Feature: recommended to us by a U.S. customer. This spray leaves the texture (color of the object) almost unchanged from the original, while effectively removing the “shininess”. It works by adding an almost transparent, antireflective layer to the surface of the object.

kryllon.png

 

Kenro Kenair AntiReflect Full Matt Spray (link)

  • Company: Kenro
  • Feature: very similar to the Krylon spray above, this spray was tested and recommended by our Gold Partner Antonius Köster

kenair.JPG 

 

Gold Bond No Mess Spray Powder Fresh (link)

  • Company: Gold Bond
  • Feature: while this is not a scanning spray per se but rather a foot/body spray, it works really well. It is very easy to apply and creates an even and uniform antiglare layer on the object.

gold_bond.jpg

 

More recommendations

Below is a list of other ideas based on advice from Artec Partners and members of the 3D scanning community.

Spray based powders:

  • Magnaflux SKD-S2 Developer Spray
  • Rocol Leak & Flaw Detector Spray, Developer
  • Ambersil Leak & Flaw Detector Spray, Developer
  • Ardrox NQ1 Developer Spray
  • CRC 20790-AJ Testing Material Crick 130 500 ml
  • Krylon 5894 Marking Chalk White

Matte primer paints:

  • HYCOTE XUK610 Plastic Primer Aerosol Spray Paint
  • Halfords Plastic Primer Spray Grey 300ML

Unusual but helpful and easy-to-find alternatives:

Other ideas:

  • Any water-based paint, if applicable
  • Cermark laser-marking spray (rinses away with water)

cermark.JPG

 

We are here to help! If you have any questions or issues, please do not hesitate to contact our team by emailing support@artec-group.com or by clicking on "Ask Support" button on the upper part of the screen. We will always be happy to assist you and will get back to you as soon as we can.