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Creating 2D views of a 3D model

From: Rhino 4 Essential Training

Video: Creating 2D views of a 3D model

In this video, we'll continue with a new technique for sharing and collaborating with others. This interesting command is called Make 2-D, and it's closely related to dimensioning. This might be considered overly technical and borderline unnecessary, but sometimes you will be asked to generate a set of 2D layouts or blueprints. If that's the case, you'll love how this works. The Make 2-D command is located on the Dimension menu right here towards the bottom. We are going to select everything in this scene and we just draw box around all the objects, right-click.

Creating 2D views of a 3D model

In this video, we'll continue with a new technique for sharing and collaborating with others. This interesting command is called Make 2-D, and it's closely related to dimensioning. This might be considered overly technical and borderline unnecessary, but sometimes you will be asked to generate a set of 2D layouts or blueprints. If that's the case, you'll love how this works. The Make 2-D command is located on the Dimension menu right here towards the bottom. We are going to select everything in this scene and we just draw box around all the objects, right-click.

Now there is a lot of options here. I am going to recommend you just stick with the standard 4 View. I am going to turn off all these other options, and it's going to generate some new layers. So, I am just going to go with the defaults here. Now, this also will take a bit of time to calculate. It's going to generate a Top view, a Front view and a Side view as well as a Perspective. Since that's the case, you want to make sure that your Perspective view is exactly what you would want to export and share with others. So, I am just kind of move around and get a nice representative angle.

I definitely don't want to be straight on because that's covered by the Front viewport, likewise on the sides. So, this is called the 3 quarters perspective. I like to look somewhere around the middle of the object so let's just select all, that's Ctrl+A, go back to the Dimension > Make 2-D, and accept these defaults we've just discussed. This will take a while, so we'll cut into the completion. Okay. This is a pretty fast computer. It only took a few minutes. So, your results may vary.

We've got these curves generated. Note that they are on their own layer. Over here, we've got a brand new one called Make2D visible. I am just going to click somewhere to turn off the highlights, and let's check these out. These are extremely accurate. For example, I could actually put dimensions on here. I am going to do one quick one just to show you. I will just dimension from the width of the robot's head and there. So, you get total precision. However, there may be occasional gaps.

You'll see that right here off the bat there is no arc around there. You don't have the eyeballs and then on the Perspective view generated-- That's why we posed it. We are not seeing a lot of the surface intersections. For example, I am going to select this and zoom in a bit so you can see it. There is an intersection between this collar and top of the torso and nothing appeared there. That makes sense, because in the 3D model they actually go through each other. There is not a curve there or an edge.

So, I am going to show a little hack or two that will fix some of these problems. I am going to do it one more time. Another little tip though is if the item is missing are minor, you can go ahead and just manually connect the couple of lines. It's probably an easier way to go. So, I am just drawing a little polyline, snap, snap. Go back to the original model. We will start off with the last one I mentioned, and that's the intersection between the neck and torso. I am going to select both of those and introduce a new command here.

This is called a Curve From Objects, generates an intersection. So, I have already got them both selected and here is the result. Now we'll get an actual curve there. This is for visual reference only. This is not needed for modeling or any other reason, but a lot of times it will help the screen captures or this command work better. So, I am going to go ahead and do with maybe the antenna and the head. Let me go up here and right-click, and repeat it, and maybe the eyes.

I'll actually pick all three of these objects and the head, both eyes and the head. That's three, right-click, Intersection. Finally, the last hack I'll mention. If the Front view didn't really capture those corners there. So, I am going to take this curve and make a copy of it Ctrl+C and then paste, Ctrl+V, and just scoot that forward a little bit. I want to make sure it's not hidden or buried. So, from the Front view, I get that to show up right there on the edge.

Finally, I have one more intersection I want to make sure shows up. I am going to pick both of legs and both feet, right-click, and select Intersection, okay. Now I am going to go ahead and get rid of that prior Make 2-D command. So, instead of selecting everything, I am just going to go ahead and Delete that layer. There is a couple of lines. I am going to get rid of those as well. I'll re-pose, looks good.

Ctrl+A to select, go to Dimension > Make2-D, and we will be back when this is finished. All right. We are back. We have got the improvements done. Let's check them out first on the Perspective. So, here we can see some of the intersections that I generated earlier on the neck and on the feet. So, that's a big improvement there. However, this is not perfect. So, you are going to have to probably do some additional tweaking. I did get the eyes though so that was kind of nice. You can calculate the radius and just do a quick fillet.

Now the final step here would be to export this information to another application. For example, Illustrator or a drafting program like AutoCAD. One word of advice, make sure you are in the Top viewport when you do that. Also, the quickest way to get into trouble is select some 3D geometry accidentally. So, you definitely don't want to do that. So, I just want to select all these objects that I've just generated. What you can also do, by right- clicking on the Make2D visible layer, select those objects and go to File > Export Selected, and you have an option here for Illustrator.

I am not going to give it a name, but that would be the process. So, once again, make sure you are in the Top view, because Illustrator does not understand perspective angles. That will cause a corruption. Also, don't pick any 3D geometry. That will cause the same problem. So, to make 2D drawings, not for everyday use, to be sure, but if needed, it's an enormous time-saver. Even if your final goal is only a few rendered images or prototypes, I would still recommend generating these views with the view dimensions as supporting material for your documentation.

Show transcript

This video is part of

Image for Rhino 4 Essential Training
Rhino 4 Essential Training

67 video lessons · 17388 viewers

Dave Schultze
Author

 
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  1. 4m 13s
    1. Welcome
      1m 1s
    2. Using the exercise files
      28s
    3. Recommended hardware
      2m 44s
  2. 19m 8s
    1. Understanding the three types of entities: curves, surfaces, and solids
      5m 51s
    2. Comparing Bezier curves, B-splines, and NURBS objects
      3m 35s
    3. Comparing isocurve surfaces and mesh surfaces
      4m 50s
    4. Setting measurement units and tolerance
      4m 52s
  3. 18m 16s
    1. Introducing the viewport
      3m 20s
    2. Using construction planes to anchor model design
      5m 27s
    3. Changing the way a model is viewed using shading modes
      3m 11s
    4. Navigating the viewport with pan, zoom, rotate, and reset controls
      3m 24s
    5. Exploring help options
      2m 54s
  4. 29m 48s
    1. Understanding Rhino's command philosophy
      3m 10s
    2. Using toolbars and docking buttons to a toolbar
      3m 33s
    3. Navigating the geometry menus using a "department store" analogy
      3m 35s
    4. Using the command line and status bar to get feedback
      4m 56s
    5. Modifying the nudge control and setting other preferences
      6m 54s
    6. Using the Properties window
      3m 1s
    7. Opening and saving files
      4m 39s
  5. 14m 24s
    1. Creating basic objects: curves, surfaces, and solids
      4m 22s
    2. Performing basic transformations
      3m 14s
    3. Selecting objects
      3m 37s
    4. Organizing a project using layers
      3m 11s
  6. 21m 18s
    1. Understanding lines and polylines
      4m 10s
    2. Building rectangles and polygons
      5m 12s
    3. Creating arcs, circles, and ellipses
      7m 8s
    4. Drawing freeform curves
      4m 48s
  7. 47m 36s
    1. Comparing different types of 3D surfaces
      7m 11s
    2. Extruding surfaces to create features in a model
      8m 58s
    3. Creating surfaces with lofts
      7m 49s
    4. Using Revolve and Rail Revolve to create surfaces
      7m 42s
    5. Using Sweep Rail to create a 3D claw
      7m 49s
    6. Creating complex surface shapes using Network Surface
      8m 7s
  8. 46m 48s
    1. Introducing solids
      5m 42s
    2. Making solids with primitives
      5m 41s
    3. Extruding curves to create solids without primitives
      8m 59s
    4. Creating unique shapes with the union, difference, and intersection Boolean operators
      6m 46s
    5. Troubleshooting solids and Booleans
      8m 53s
    6. Editing with the solid edit tools
      6m 20s
    7. Creating and transforming holes in solids
      4m 27s
  9. 27m 8s
    1. Understanding Rhino's modeling aids
      3m 59s
    2. Working with the Grid Snap modeling aid
      2m 22s
    3. Using the Ortho modeling aid
      3m 4s
    4. Using the Planar modeling aid
      2m 4s
    5. Incorporating the Osnap modeling aid into your workflow
      6m 7s
    6. Understanding the Project and Smart Track modeling aids
      4m 42s
    7. Setting cursor constraints
      4m 50s
  10. 50m 14s
    1. Editing corners with Fillet and Chamfer
      7m 38s
    2. Trimming and splitting with curve Booleans
      5m 37s
    3. Moving and rotating objects with the Drag and Nudge tools
      7m 24s
    4. Copying and pasting objects
      4m 10s
    5. Understanding how Rhino uses Undo and Redo
      3m 42s
    6. Grouping objects
      3m 21s
    7. Scaling objects
      6m 40s
    8. Duplicating objects using the Mirror command
      6m 36s
    9. Making copies and structured sets using arrays
      5m 6s
  11. 20m 37s
    1. Using the Analysis toolbar to understand characteristics of a model
      6m 14s
    2. Defining degrees of curve and surfaces
      6m 6s
    3. Using Rebuild and Change Degree
      8m 17s
  12. 26m 21s
    1. Measuring and labeling values on a model using dimensioning
      5m 22s
    2. Creating screen captures for quick proofs
      5m 16s
    3. Creating 2D views of a 3D model
      6m 44s
    4. Rendering a project
      8m 59s
  13. 22m 5s
    1. Preparing a model for prototyping by confirming that all gaps are closed
      5m 17s
    2. Using the "shelling" technique to create wall thickness
      10m 54s
    3. Exporting to the STL format for 3D printing
      5m 54s
  14. 14s
    1. Goodbye
      14s

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