How to Import and 3D Print Assembled Parts in GrabCAD Print

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GrabCAD Print allows you to import multiple file types, including STL files, an assembly of STLs and even VRMLs. But if you're having problems working with complex assemblies, this tutorial will show you how to unlock your assembly so you can separate your parts. Then, you'll be able to make material and color assignments with ease.

  1. Step 1: Before You Start

    For this tutorial, you want these items ready:




  2. Step 2: Importing an STL File

    To import an STL file, follow these steps:

    1) File

    2) Add Models

    3) Select the .stl file you want to add

    4) Open

    5) Your file is now exported and you should see it on the tray.


    You'll note that you can't make different material selections for one element or the other; you can only control them together as a single mesh.

  3. Step 3: Importing an STL File as an Assembly

    Importing a file as an assembly will allow you to select different elements of the assembly; for instance, each one could have a separate material designation. 


    To do this, follow these steps:

    1) File

    2) Add STLs as Assembly

    3) Select your .stl files


    Now you'll see that the part looks the same, but you'll notice that you can select different elements of the assembly. So each one of these can have a separate material designation!



  4. Step 4: Importing a VRML or OBJ File

    Importing a VRML file will allow you to have texture applied to the model; however, you won't be able to make changes to it or its material assignment. 


    To import a VRML file:

    1) File

    2) Add Models

    3) Select a file from your VRML folder

    4) You'll see it in GrabCAD Print!

  5. Step 5: Unlocking Your Assembly

    When you unlock your assembly in GrabCAD Print, you can then make material and color assignments for individual parts.

    Here's how:

    1) Simply uncheck the Assembly box



    You know you've done it right, if your tray looks like this, with separated parts:


    Now you can make your material and color assignments on individual parts!

    Tips on selecting colors: How to Assign Colors in GrabCAD Print




  6. Step 6: 3D Printing Your Assembly

    Once you've made your material and color selections, you simply re-check the Assemble box and you'll see your parts assembled -- but with the changes you made!


    BEFORE Assembly




    AFTER Assembly



    Now you're ready to 3D print your assembled part!

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