Computer-aided design (CAD) is the use of computer systems to assist in the creation, modification, analysis, or optimization of a design.

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Splitting a polygon (height mesh) in ArchiCad

I have received a DWG with heightlines for a terrain. Unfortunately, two heightlines intersect and is regarded as a closed polygon by ArchiCad. That means that when I now want to change the mesh point ...
2
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22 views

Can the DXF file format/AutoCAD store custom attributes for primitives?

I am currently researching ways to draw primitives associated with data attributes. Thus I came across CAD and the DXF file format, but I am no CAD user, and the documentation I found so far is ...
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0answers
6 views

Visualize distribution on the surface of a CAD object

I have STEP models of some parts, and after performing ray tracing, I'd like to illustrate the radiation load on these parts. Not the heat distribution, but just how much power is absorbed at each ...
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57 views

Best solution: NAS with DMS for CAD workgroup

I am currently trying to figure out the best solution for a small (2-5 persons) workgroup that primarily works with CAD files and some standard office stuff. The users want to use the NAS as a central ...
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11 views

How a jointless pipe that forms a letter “T” is represented as CAD lines?

How a jointless pipe that forms a letter "T" is represented as CAD lines? I just cant emegine it nor as 2 lines nor as three..(
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32 views

Solid Edge ST6 - 2D Modeling: dimensions

I'm currently making some 2D drawings in Solid Edge ST6. I have several circles which I need to change so that they have an equal diameter and equal space between both circles, etc... Currently my ...
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1answer
52 views

How do I flip a lens from a catalog in Zemax?

I am pretty new to this ray tracing software. It is simple to add custom surfaces and insert lenses from a catalog, but I can't figure out how to flip left-right a component without having to modify ...
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0answers
38 views

Siemens PLM NX CAD, the green “SIEMENS” word in the title bar has become just the letter “S”

I am using Siemens PLM NX 8 CAD software on Windows 7 x64 On the right side of the user interface title bar, there is usually the word "SIEMENS" in green. Right now it only shows "S". What does ...
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45 views

How to create a template part in Solidworks?

How can I prepare a part (like a 19" rack unit) as template with two variables? The user should be able to give values for the number of HE units and the depth and Solidworks creates a new part with ...
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196 views

OpenSCAD keeps crashing when I raise my precision past $fn=29?

OpenSCAD stopped working for me on designs that previously rendered fine. After testing I found out that any precision greater than $fn=29 causes the program to crash with an error message reading ...
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0answers
276 views

Using Kinect to measure a building

working as a student trainee I was asked to measure a production hall (and all the machines etc in it) with a laser rangefinder and a folding rule and model it in 3D CAD software (Autodesk Inventor). ...
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1answer
104 views

Converting multiple CAD files to PDF with script (XP)

Going off of what was covered in the thread here I have 2 questions. (I'm using the vbscript version that's in my SendTo folder and works nicely, thank you nixda! ) 1) How can I modify the script to ...
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1answer
1k views

How to convert scad files to stl?

I am trying to export scad files from OpenSCAD to STL. I keep getting an error: Current top level object is not a 3d model. If it's not a 3d model, how do I convert it to 3d model If I know the ...
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0answers
138 views

Create extension till model plan and not till layout in Autocad

I am using Autocad 2012, there is model and layout. I want to create extension till model plan only but not till layout plan. Any idea how to do that? Also any link where I can get drawhatch11.vlx ...
4
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2answers
2k views

Is there a general method to determine if a laptop can support 2x external monitors?

Question: Is there a general method, which would let me determine if a laptop can support 2x external monitors? Context: I’m shopping for a laptop, which would support my 2 main modes of operation. ...
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2answers
276 views

Image editing program wtih fine rotation mechanism or …

I have some A3 scans (due to not having a larger scanner) of a large technical drawing (6x A1 in length) which I need plotted out (I do, however, have a large plotter at my disposal). The scans are ...
2
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1answer
1k views

Lego Digital Designer not working on Windows 7

I'm having issues with Lego Digital Designer. I have a relatively new HP computer (less than 2 years old) running the latest up-to-date version of Windows 7 (64 bit). About a year ago I was using a ...
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1answer
324 views

Matlab 3D Vector

I have two 3D vectors in 3D line plot in Matlab. How I can specify an angle name between them? And also an angle between any two crossing lines?
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3answers
3k views

Software to easily design electrics / electronics circuits

Does anyone know a software to easily design electronic / electrics circuits (for resistors, capacitors, inductors, sources, transistors, ...) which already has a large and easy-to-use "library" of ...
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49 views

Which software can I use to create an engine illustration?

As an electromechanical student engineer, could you tell me which software can I use to create an animation like this one under Windows XP?
2
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2answers
680 views

method for defining 2D/3D dimensions directly?

I'm just getting into Google SketchUp, and I'm already annoyed with the way rectangles are drawn and the Pull/Push tool works. I wanted to make a 2000x1000x100mm shape, but ended up with something ...
2
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2answers
1k views

Reliable, free 2D dimensional drawing tool

So far the CAD programs I have checked don't seem to support what I am looking for - but I'd be happy to be shown wrong :) I want to be able to create dimensioned, scalable 2D drawings - specifically ...
2
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2answers
3k views

What's a good simple free CAD program I can use for planning internal decorating of my house?

At the moment I'm using cut-to-scale pieces of paper to represent each piece of potential furniture. Is there a simple website or program which I can use instead? The room's dimensions are set in ...
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4answers
5k views

How to convert an image to a .dwg file

My girlfriend is making an art project where she is having an image printed and cut out on a metal plate. The firm responsible for doing this is demanding a .dwg file (and something called polyline; ...
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1answer
224 views

Looking for a free/cheap 2d CAD software for Linux which can measure ellipse arc length

I am currently using QCad community edition, and it is basically well suited to my needs, I don't need much more. However, there is a function I need which isn't present in QCad. I want to be able to ...
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1answer
41 views

Is there a performance penalty using in-place models/families in a large Revit project

(I'm quite new at Revit so apologies if my concepts are a bit inaccurate) I have heard using, in-place models in Revit projects is poor practice since it can slow down a large project. However I ...
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1answer
427 views

How to stretch timber framing in Revit using reference planes

I'm creating a family in Revit 2011, I've imported some timber framing components and placed a series of instances into the model. I then placed a reference plane at each end of the timber framing ...
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2answers
10k views

online 3D modelling software (like sketchup) [duplicate]

I'm at school and I need to use a 3D modelling software for my Tech project, however there current one is quite old and has a steep learning curve. As I'm at school I can't download or install or ...
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2answers
1k views

Are there any affordable, good parametric modeling applications for OS X?

I've been searching with Google and Bing all morning and haven't found anything. I can't afford a $3000 cad system. I just want an affordable, hobby-level, parametric modeler.
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1answer
974 views

Is there any free IGS viewer?

Are there any free or open source .IGS viewers that you've actually used on a regular basis? There are a lot of Google hits, but they seem like they're all free trials, misdirection to other ...
2
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2answers
166 views

CAD software for OpenSolaris?

I would like to install CAD software again on my laptop. I used to use Rhinoceros 3d and AutoCAD for most stuff, but that was on the Windows side of things. What can I do for the Solaris side? ...
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0answers
94 views

SolidWorks ratio issue with printing in landscape

We run SolidWorks 2010 on XP. On one workstation when printing to the plotter in a 1:1 ratio in landscape mode it's off by small increments. He needs to adjust manually from 1:1 to 1:1.009 (for ...
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5answers
18k views

Looking for freeware or opensource CAD that can read and edit .dwg

We have an engineer who needs CAD software which can read and edit .dwg files (preferably that runs on Windows but I could probably argue for a *nix box if needed). Before buying a commercial license ...
6
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1answer
4k views

How To Create A Parts List In Google SketchUp

I am using Google SketchUp version 7.0.10247 to design a kitchen table that I would like to build. Once I am done with the design, I'd like be able to produce a parts list that I can print out and ...