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Back to Topic Listing Previous Next. You can change the grid settings using the drafting settings dialog box. Change the adaptive grid settings 1. In addition to specifying X and Y values, you specify a Z value. Type 3DPoly at the command prompt. Similarly, when Ortho mode is turned on, you can lock the cursor to the Z direction. Press F11 or click OSnap Tracking on the status bar if it is not already on.
Press F10 or click Polar Tracking on the status bar if it is not already on. Open a drawing with 3D objects in it. Type MOVE at the command prompt. Command: circle 4. It also represents the current viewing direction relative to the XY plane.
Noorigin Always displays the UCS at the lower left corner. Properties Changes the display properties of the UCS icons s. Type UCS at the command prompt. ZAxis Allows you to define a new origin. Object Lets you define a new UCS by pointing at an object. Face Aligns the UCS to the selected face of a solid object. Open a drawing with a simple 3D object e. New entities that you draw will be in relation to this current UCS.
When the dynamic UCS is active, specified points, and drawing tools, such as polar tracking and the grid, are all relative to the temporary UCS established by the dynamic UCS. Type any draw command. Command: circle 3. Move the cursor to the face of the 3D object that you would like to draw on. Click to begin drawing your new object. You can view your entire drawing or select one or more objects before starting the command. When 3DORBIT is active, the target of the view stays stationary and the camera location, or point of view, moves around the target.
However, from the user's point of view, it appears as if the 3D model is turning as the mouse cursor is dragged. In this way, you can specify any view of the model.
Open a drawing with 3D objects. Choose View, Orbit, Constrained Orbit. Type 3D Orbit at the command prompt. Command: 3DOrbit 4. Click and drag to move your object in 3D. Click with the right mouse button while in the 3D Orbit command.
Choose Zoom Window from the pop-up menu. Zoom to a new area of the 3D drawing. Choose Zoom Previous or Zoom Extents from the pop-up menu. Pan 1. Choose Other Navigation Modes from the pop-up menu. Choose Pan. Pan to a new area of the drawing. Choose Constrained Orbit to set the mode back to orbit. Choose Perspective.
Perspective view displays objects in perspective so that all parallel lines converge at one point. Objects appear to recede into the distance, and parts of the objects appear larger and closer to you.
The shapes are some what distorted when the object is very close. This view correlates more closely to what your eye sees. Parallel view displays objects so that two parallel lines in a drawing never con verge at a single point. The shapes in your drawing always remain the same and do not appear distorted when they are closer. Choose Visual Styles from the pop-up menu.
Choose Visual Aids from the pop-up menu. Choose Preset Views from the pop-up menu. Choose one of the following standard 3D views. Choose View, Orbit, Free Orbit. The 3D Orbit Arcball appears. Click on one of the 3D Orbit arcball locations to move the display of your object s.
Choose View, Orbit, Continuous Orbit. Click and drag to define the direction and speed of a continuous orbit for your object s. Press ESC on the keyboard to stop the orbit. Choose Other Navigational Modes from the pop-up menu.
Choose one of the following modes. Adjust Distance 4 Simulates moving the camera closer to the object or farther away. Swivel 5 Changes the cursor to an arched arrow and simulates the effect of swiveling the camera. Walk 6 Changes the cursor to a plus sign and enables you to "walk through" a model at a fixed height above the XY plane, by dynamically controlling the location and target of the camera. Fly 7 Changes the cursor to a plus sign and enables you to "fly through" a model without being restricted to a fixed height above the XY plane.
See 3DFLY. Works like the Adjust Distance option. Choose View, Create Camera. You can also view the camera using the view option when creating the camera. Choose View, Named Views.
Zoom out until you see the camera in your 3D view. Click once on a camera in your view. The Camera Preview dialog box will show the view from the chosen camera. In a 3D isometric view, double click a camera. Choose View, Display, Cameras. Plotting a Camera 1. If cameras are not already displayed in the drawing, click View, Display, Cameras. Double-click a camera. Choose View,Camera, Adjust Distance. Click and drag to zoom in or out about the camera, Swivel a Camera 1. Choose View, Camera, Swivel.
Camera location using. When you walk through a model, you travel along the XY plane. Create a camera anywhere in the drawing and set the view to that camera.
Choose View, Walk and Fly, and Walk. Type 3DWalk or 3DFky at the command prompt. Command: 3Dwalk 5. The following walk and fly navigation mapping settings appear. Briefly look at the navigation keys, then choose close. Press the Up, Down, Left, and Right keys on the keyboard to see how the camera location moves in the drawing and Position Locator dialog box. Move the camera and target in the Position Locator dialog box. Close the Position Locator dialog box and try walking and flying using only the keys on the keyboard and mouse.
Command: walkflysettings 3. Choose one of the following settings from the Walk and Fly dialog box. If you are working in a drawing with a large architectural scale, be sure to set your drawing units to a large number, similar to the scale of the drawing. Open a drawing with 3D objects and display in a 3D view and line or polyline representing a path for an animation 2. Choose View, Motion Path Animations. Command: anipath 4.
Click Select Path under the Link camera to: option and click on the line or polyline path. Click OK to the default path name. Click Select Path under the Link target to: option and click on the line or polyline path. Change other animation settings such as the frames per second, duration, resolution, etc. Choose the Preview…button to preview your animation. Close the animation preview and click OK to create an animation file. Play your animation in a Windows or MacIntosh video review application.
Choose Tools, Palettes, Dashboard. There are no surfaces in a wireframe model; it consists only of points, lines, and curves that describe the edges of the object. Because each object that makes up a wireframe model must be independently drawn and positioned, this type of modeling can be the most time-consuming.
The AutoCAD surface modeler defines faceted surfaces using a polygonal mesh. Because the faces of the mesh are planar, the mesh can only approximate curved surfaces. With the AutoCAD solid modeler, you can make 3D objects by creating basic 3D shapes: boxes, cones, cylinders, spheres, wedges, and tori do- nuts.
You can then combine these shapes to create more complex solids by joining or subtracting them or finding their intersecting over- lapping volume. You can also create solids by sweeping a 2D object along a path or revolving it about an axis. You can specify different Z coordinates for each corner point of a 3D face. Entering i or invisible before the first point of an edge makes the edge invisible. Type EDGE at the command prompt. Type Revsurf at the command prompt.
Type Surftab1 at the command prompt. Type Surftab2 at the command prompt. Choose Draw, Modeling, and one of the following solid primitives.
A polysolid can have curved segments, but the profile is always rectangular by default. Open a drawing with a closed 2D polyline and display in a 3D view. Choose Draw, Modeling, Polysolid. Begin a new drawing. Choose Draw, Helix. Choose Draw, Modeling, Extrude. Choose Draw, Modeling, Revolve. Open a drawing with 2D objects to sweep and display in a 3D view. Choose Draw, Modeling, Sweep. Choose Draw, Modeling, Loft. Type LOFT at the command prompt. Open a drawing with 2D polylines or circles with thicknesses and display in a 3D view.
Valid values are from 0. Choose Modify, Solids Editing, Union. Choose Modify, Solids Editing, Subtract. Select objects: pick the box Select objects: press enter Select solids and regions to subtract Choose Modify, Solids Editing, Intersect or 2. Open a drawing with 3D surface and display in a 3D view. Choose Modify, 3D Operation, Thicken. Open a drawing with 3D objects that overlap and display in a 3D view. Choose Modify, Solid Editing, Extrude face.
NOTE: Must be a solid to extrude the face. Choose a face to extrude. Specify height of extrusion or [Path]:. Choose Modify, Solid Editing, Taper face. Choose a face s to taper.
Specify the base point: pick the back left corner 5. Specify another point along the axis of tapering: pick point 6. Specify the taper angle: 45 Solid validation started. Solid validation completed. Choose Modify, Solid Editing, Delete face. Choose a face to delete. Choose the face to delete. Choose Modify, Solid Editing, Copy face.
Choose a face to copy. Pick the solid face to copy. Pick a new location. Choose Modify, Solid Editing, Color face. Choose a face to change the color of.
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