Laywalk

LAYWALK, an efficient tool for managing drawings and layers Laywalk is a very primitive command in AutoCAD but it is mostly ignored or overlooked by most of the CAD users despite its great features and user friendly behavior. LAYWALK allows you to view objects of a particular layer(s) without using On/off or freeze/thaw features of […]

AutoCAD Base Drawing

Have you ever worked with multiple drawings that have xrefed ones among them and found that they are not lining up? You are working with multiple floors, for example. When you xref one floor to the other and they are not lined up. It could be that they were not drawn at the same origin […]

Edit PDF Drawings in AutoCAD with Able2Extract PDF Converter

CAD design software and, namely, AutoCAD, is used in many industries for all sorts of projects. For example, it’s used in professions such as architecture, design engineering, construction, landscaping or office building design. AutoCAD supported formats are DWG and DXF. However, when it comes time to share plans and drawings with clients and other stakeholders, […]

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Turn off multiple annotative text display

Have you ever felt annoyed by the multiple annotative text displayed on your model space drawings? It gets really crowded when you have a lot of different annotation scales on the list.  To turn off the multiple annotative text from displaying, use the command: SELECTIONANNODISPLAY and set the value to 0.

Annotative-Text-multiple-scales-display

That should hide the multiple annotation scales from displaying.

Layer Isolate

To quickly isolate a layer or layers type in the command line: LAYISO. When the AutoCAD cursor asks, select the layer or layers to be isolated. That will automatically lock all layers except the one you have selected. To restore the layer state just type: LAYUNISO.

Line type

To edit or create your own line type:
a)    Type LINETYPE in the command line.
b)    When the Linetype manager dialogue comes up, click on the load button (on top right of the menu).
click on file.
c)    Select the browser arrow down to find out the location of your acad.lin file.
d)    Open notepad or notepad++ and browse for the acad.lin file location.
e)    Follow the format below. Once you are done save the file as a .lin extension.

line type

Line type Definition Format

1- Line type name. (You can use underscore but no spaces).
2- Line type description. (It is limited to 47 characters in length).
3- Line type symbol appearance.
4- Length between each symbol.
5- Drawing unit space length before the symbol.
6- Line type symbol.
7- Type of line type (complex).
8- Line type scale
9- Angle of rotation for the line symbol.
10- X-coordinate position.
11- Y-coordinate position.
12-Drawing unit space length after the symbol.

Converting 3D to 2D

When you have 3D solids and regions drawings you can flat them to 2D views by using the command FLATSHOT. It will create 2D representations of the current view that you have on your screen at execution of the command. The new 2D entities will be generated as a block projected onto the XY plane. You can always modify the block later since it is comprised of 2D geometry.
That is very helpful, especially when you are working with 3D or dxf files. I know a lot of manufacturers have their online catalog cut drawings in 3D format. So that would save you some time and trouble.

How to modify your list of scales

When you scale your view in the plotted drawing or paper space, you can use the standard scale list from AutoCAD in the property manager of the viewport instead of using the old method XP factor…. But if you cannot find the scale, do not worry. You can always add or modify the list of scales in the dialogue box. It is really simple: From your AutoCAD command type SCALELISTEDIT. Select the scale from the list to modify. If you need to add more select the “ADD” button. When the add scale dialogue pops up, name your new scale and change the “Drawing units” according to your scale. Hit “OK ” and you are done. Pretty simple! Take a look at our handy list of scales available for your use here http://2learncad.com/blog/2010/02/engineering-architectural-scale/

Importing AutoCAD files to Revit

You can import AutoCAD files into Autodesk Revit and then manipulate it from there as a Revit file or you can xref the file. See this tutorial on how to xref CAD files and the Revit Help blog.

NB: Importing a CAD file will not automatically convert the drawing to 3D.

To import as a link file:

  1. Go to the insert tab.
  2. Select “link CAD“.cad to revit
  3. Browse for the CAD file that you wish to link. cad to revit
  4. On the positioning tab leave the default position ”Center to Center”. You can also change that to “Origin to Origin”.
  5. On the “Place at” tab select the level you want to import the file. For example, level 1or level 2 if you have many levels or floors in your project.
  6. Pick your color preference on the “Colors” tab. You can set the link file to show black and white, invert color or the original color.
  7. On the Layers tab leave “All” selected, if you want to import all the layers from the file.
  8. Leave the “Import units” as Auto-Detect. revit-cad-3
  9. Select “Open”.

Now that the file is showing in the drawing as a cross reference file. You can also turn on and off layers from Revit as you wish, the same as in AutoCAD.

To import as part of Revit:

  1. Go to the insert tab.
  2. Select “Import CAD”.
  3. Browse for the cad file that you wish to import.
  4. On the positioning tab leave the default position ”Center to Center”.
  5. On the “Place at” tab select the level you want to import.
  6. Pick your color preference on the “Colors” tab.
  7. On the Layers tab leave “All” selected, if you want to import all the layers from the file. Otherwise, you can select which layer to import individually. By doing so it will not import any object on unselected layers.
  8. Leave the “Import units” as Auto-Detect.
  9. Select “Open”.

Once the file is imported you can edit the CAD drawing as a Revit file.

NB: We used Revit MEP 2010 for this tutorial. I believe the steps are similar in Revit MEP 2009. You start from File, Import/Link, CAD formats.

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