Computer-aided design (CAD) is the use of computer systems to assist in the creation, modification, analysis, or optimization of a design.
Questions tagged [cad]
46 questions
13
votes
5 answers
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 I'd like to see, what if any, freeware or…
Wagnarock
- 568
5
votes
2 answers
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.
In desk mode, I do many hours of design work…
Nick Alexeev
- 475
4
votes
2 answers
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 for drawing patterns for furniture, clothing,…
warren
- 10,322
3
votes
1 answer
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 confusing me in this regard.
So my question is, can I…
tkr
- 33
3
votes
3 answers
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 images / objects?
If possible, it should be…
user51166
- 738
3
votes
2 answers
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 like 1998.3x1002.7x99.1mm. That was the closest I…
Drew
- 1,902
3
votes
1 answer
LibreCad drawing always fills page in print preview
I'm very new, about one day, into LibreCad, trying to make a simple drawing with two hexagrams with circles at their vertices. I started experimentally by drawing a tiny circle, whose radius I don't know where to find, but it's very small on screen.…
ProfK
- 2,741
2
votes
0 answers
Splitting a polygon (height mesh) in ArchiCad
I have received a DWG with contour lines for a terrain. Unfortunately, two contour lines intersect and is regarded as a closed polygon by ArchiCad. That means that when I now want to change the mesh point height of one of these height linse…
Wombat
- 46
- 4
2
votes
1 answer
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 4.x version of LDD just fine. I could open, build,…
DA.
- 605
2
votes
4 answers
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; some sort of setting maybe?).
Neither of us have…
erikric
- 353
2
votes
2 answers
online 3D modelling software (like sketchup)
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 execute any software like Sketchup, and the my…
Jonathan
- 21
2
votes
2 answers
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?
Walter
Walter White
2
votes
1 answer
File transfer 1 Tera Byte Bim file
So I have been tasked to look for or create a service that allows file transfers into the Tera Byte. That's 1 file that could be as large as a Tera Byte. At first I scoffed but from what I understand there are files that large. A bim file for…
fraygos
- 123
1
vote
1 answer
How to rotate a 3D object in SketchUp?
I'm trying to create something that looks like a large touch screen, which I intend to angle at 45° to the floor. I.e. imagine how you might arrange this touch screen so that it's at a comfortable angle for people to operate at a trade show.
I'm…
Duncan Jones
- 732
1
vote
1 answer
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 each surface manually.
This would be useful for…
Ando
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