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Mech Engineering Bay Expansion


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The Mech Engineering Bay Expansion set contains OpenLOCK walls, large sliding double doors and raised platforms. This is designed to be used in conjunction with Operations Base Modules. These can be used for populating scenes in a modern or sci-fi setting for tabletop skirmish and role-playing games.

Download the Rampage Base Pack for free to get the latest version of the OpenLOCK clip.

This product is part of the Sanctuary-17. Please log in if you backed the campaign.

This product is delivered as a .ZIP file pack containing 3d printer files (STL files) for use on a home 3D Printer.


 The engineering bay is a closed environment for working on the all purpose drill mechs. 



  • Right-click on the image below and “Save As” to download the reference sheet for this pack.
  • Product measurements can be found in the image gallery.
  • First published version 1.2

Top Locking Pin Cavities Reference

Top Locking Pins Reference

Additional information



Layer Height

.2 for Normal Quality .1 for High Quality (.2 Layer height is recommended)


Requires supports on some files

4 questions for Mech Engineering Bay Expansion

  1. Brent Sinclair (verified owner)

    What is the difference between the CNR High Wall Option 1 and Option 2? I can’t seem to spot any differences in these models. I also don’t see any difference in High Wall Option 1 and Option 2.

    • Nicholas Jebson

      Option 1 does not have a slot that the walkway can anchor into while option 2 does

  2. Zachary Petriw (verified owner)

    Hi. On E-Walkway-Full-Comb-Pt-2-V1.2 it looks like the meshing isn’t touching two of the sides. Is this intentional? The other walkway pieces seem to have the meshing connected on all four sides. Thanks.

    • Nicholas Jebson

      They do all connect, it is just a quirk of the pattern that it interacts with the wall just as it reaches the shortest part of the diamond shape.

  3. mwaining (verified owner)

    I’m having trouble getting the mesh to adhere to the printer bed. Any settings advice?

    • Mike

      Try printing with a brim or raft if you aren’t already as they help with adhesion. Many hobbyists use a glue-stick or hair spray on the printer bed to help aswell. Finally try running the printer bed temp a little higher than you normally would, somewhere around 65-70 degrees.

      Hope that helps!

  4. arandir

    Hey, tried also today to print the Walkways with the mesh. It seems a button layer under the mesh is missing. The outer parts starts 0.4 mm befor the mesh parts starts.

    • Mike (Printable Scenery)

      Thanks for your feedback, I’ll add that to our list of model updates when this one comes up for review.
      In the meantime to print them as they are you could try rotating it by 90 degrees so it prints on its side and it should print well.

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