Questions tagged [cad]

Computer-Aided Design is the use of computers in the engineering design process. It involves drafting, modelling, simulation, optimisation, and creation of technical documentation. The term CAD is often used to denote software for computer-aided design.

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Opening Creo file in student edition

Is it possible to open a part created using Creo commercial edition in the student edition ? I tried this but it doesn’t seem to work. Is there a way to do this ?
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Need help in Solidworks Macros. I want to add 5mm into previous dimension

Basically I have nearly 1000 files. I want to edit a dimension which is labeled D2@Sketch 10. Assuming that the name can be a variable, I want to do this task: D2@Sketch 10 = D2@Sketch 10 + 0.005 So ...
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Which Is better ? ProgeCAD OR AutoCAD? [closed]

I downloaded and installed ProgeCAD. Should I install AutoCAD also?
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Help in Solidworks macro for updating split children parts

I have a main file. I use a split feature to break it into two parts and save them as separate files. My goal is to change some dimensions in main file and the children files (the split files) getting ...
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Formation of robot links programmatically in Solidworks

Spherical Parallel Manipulator in SolidWorks My question is a continuation of the topic. Is it possible to form the links and joints of the robot not manually, but programmatically in Solidworks? For ...
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Solidworks - how to make a groove on a double curvature surface

Today, as I was making -for another post - the following part Although, I managed to use a couple of ways to do the above (revolve a sketch, and b) using swept cut) I wondered how would I make ...
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How to work on big CAD project in team?

I'm always confused on what is the effective way to work on CAD with multiple team members to make it efficient. So far, as I'm freshly graduated I only work on a project where I'm the only one using ...
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Generative design in CATIA

Is functional generative design (like this https://www.youtube.com/watch?v=zTNxDSJJrYg) available only in 3DEXPERIENCE CATIA, or in original CATIA too?
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2answers
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Software for designing products made of aluminum extrusions

I'm going to build a storage cabinet out of aluminum extrusions. Something that looks like that, except lighter and less intricate: So yeah, my cabinet will be a lot lighter and without moving parts. ...
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Creo Parametric 4.0 balloons BOMs for multi page drawing

How to put repeat balloons on the partial views of assembly? Example Full View BOM Question How to put a balloon (Item 1) to the Auxiliary view? Note: number should be parametric Follow up Are here ...
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112 views

I need help with dimensions on technical drawing

Here is a 3D model of a housing: How can I specify the position of the marked features ?
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9 views

Dynamic Input in AutoCAD gives unexpected result when moving object?

Suppose I have a circle with a diameter of 1000 units, located at [1000, 1000, 0] coordinate. When I move the circle using Command Line, using its center point as base, and I intend to move it to [...
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2answers
54 views

How to design stiff plastic sheet

I am making a cylinder of polypropylene that must be pressurized (2 bar). The rough dimensions of the current design (A) are 7 cm tall, 5 cm in diameter, and wall thickness of 1-2 mm. The issue is ...
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63 views

Spherical Parallel Manipulator in SolidWorks

I need a little help with SolidWorks. I need to assemble such a mechanism, which I am currently working on. But I get a rather complicated and cumbersome algorithm: First, I build a "wireframe&...
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What is a good approach on creating a custom robotics gearbox

I would like to put together a custom gearbox of the scale of around 50mmx30mmx30mm to fix a gadget that I am designing. My question is how should I approach producing this? Should I design components ...
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1answer
66 views

Is there a way to fix 'bad' surfaces in Solidworks?

I'm trying to create a smooth blended fillet on the outer edge of a part with fillets around it's corners in Solidworks. The results I have are pretty much what I want it to look like but when I check ...
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Guidance for a CAD model of a product

Hi Everyone! I am a novice in CAD modeling, and I am familiar with only two CAD tools - Autodesk fusion 360 and Solidworks. I want to make a CAD model of a product with the outer pod or shell as seen ...
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AutoDesk Inventor Export Dimensions from Design Accelerator Generated Spur Gear

I'm working on modeling a turret-like mechanism in AutoDesk Inventor. Part of my design involves a rotating table. In order to accomplish this, I used the spur gear tool to generate a set of spur ...
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About the License of GrabCad's shared models

we were trying to find one Dal Mill Storage Shed, CAD file form the grabcad site. If Possible i like to understand can we use the shared cad file of the grabcad site for commercial usage. I have seen ...
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In Solidworks Hole Toolbox, what is Thread Minor Diameter according to DIN 13-1

Dear StackExchange Community, I recently discovered how to use the Toolbox customization to specify new threads in Solidworks 2021 SP2.0, such as ISO fine metric threads (DIN 13-3- ... -9). However, ...
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Manual vs Fusion360 calculation of natural frequency of beam

I'm trying to uncover the natural frequency of a mass-less beam with 2 masses attached but getting different answers from Fusion360 vs a hand calculation. L1=1m, L2=2m, m1=10kg, m2=20kg, Young's=...
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2answers
76 views

Freecad arc direction constraint

I've got the following sketch: (A vertical line of 3mm, 5mm from the center of the sketch, with an arc running from end to end.) FreeCAD indicates that this sketch is fully constrained. However, ...
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2answers
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Get average shape from 10k + files

We have a ton of ergonomic data in STL files. We would like to use that data to define a basic shape for our designs. So what i am looking for an algorithm or software solution that is able to scan ...
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Automatic dimensioning

I have set of random points in the workspace as shown in the figure. I want to automatically dimension those points (Linear dimension only) in the best possible way by using any programming language ...
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1answer
114 views

Tolerances in a pin-hole assembly

Hi guys, can someone explain how to do this question? This question is under Geometric Dimensioning and Tolerances and I am clueless on how to tackle problem like this. EDIT This is the explanation ...
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1answer
67 views

What is the convention for the origin coordinates of a CAD drawing?

Is there a convention to use (0, 0, 0) as the center of a CAD drawing? If so, why? Wouldn't it be easier to use (0, 0, 0) as the bottom left corner and start drawing on the positive coordinates?
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Conversion of orthographic projection to isometric projection [duplicate]

I'm new to engineering drawing, and I am having trouble drawing isometric projection from orthographic projections. Can someone give the steps/thought process behind this conversion? I can upload the ...
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1answer
42 views

Software correction of CAD or Gcode based on machine measurements

I own a CNC machine (Shapeoko 3 XXL) which I use to make projects that require good 90° angles, and I have been through several steps of improvement/calibration of the machine that are described in ...
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1answer
64 views

Trying to find proper Open source CAD Software For the Automatic Tooth Comparing [closed]

I am trying to do the Automatic Tooth's CAD Compare for Tooth crowns preparation. One software for this work is the PrepCheck software and do it like shown below (YouTube video)]6 So it must be done ...
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50 views

Design a Jig and Fixture for 3-axis CNC Milling Machine

Newbie Here!!! This is my assignment task. I am required to design a Jig and Fixture for 3-axis CNC Milling Machine. The workpiece will be a simple aluminium block and it will be cut and shaped into a ...
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Bulk edit or script multiple DXF files

I have several hundred .dxf files that are all pretty simple rectangles with MText inside. I am looking for a way to, in bulk, convert the MText to Polylines (TXTEXP) without having to open each file ...
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1answer
44 views

eDrawings Displays Text Differently Than Spinfire

I am generating a very simple DXF file with the netDXF library. The DXF is a polyine box with text in the middle. When I open the file in SpinFire and DWG Trueview the text is centered (image with H ...
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1answer
58 views

Intersection constraints?

Is it possible to constraint a line on another line by way of a perpendicular constraint? This also includes center points on other objects. What I am trying to accomplish is to move a rectangular ...
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1answer
29 views

How can I change the type of extrusion output in Siemens NX 12?

I´m new to Siemens NX 12 coming from Fusion 360. I´m having problems with the extrusion command in NX 12. I´ve created a sketch where I want to extrude one big body and then add with the second ...
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What what software tools do engineers use to programatically generate and parameterize 2D CAD designs

For many years I've been writing scripts to generate SVG graphics, first in stand-alone python scripts, then in Inkscape extensions, and then in various JS frameworks. I'm considering creating a web-...
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1answer
35 views

Solidworks Extrude Base/Boss - Base Extrude Doesn't Seem to Exist Anymore?

I've started using SolidWorks migrating from other software, Creo Parametric (formerly Pro/E) and the Base/Boss terminology confused me. After significant research, I've found that a "base ...
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1answer
76 views

How do I interpret a fillet indication on a technical drawing

I'm reproducing in Fusion 360 an object based on a technical drawing, but I have trouble understanding what this means: When I read the Wikipedia article on Engineering drawing, abbreviations and ...
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FreeCAD - where are the library files?

I downloaded FreeCAD 0.18 from the Ubuntu Software (snap). I don't know where are the libraries, so i can do import FreeCAD and run standalone Python programs with ...
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95 views

Solidworks Loft error (guide curve not intersecting with profiles)

I am trying to add 'finger grooves' to my model of a brake lever and want to use a loft to do so. I have created (to my knowledge) all required sketches for the loft but SW gives me an error when ...
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3answers
386 views

What is "reversal" in mechanical engineering drawing?

I've come across these terms "reversals allowed" and "reversals not allowed" in a sample drawing while reading a GD&T course. What exactly are these terms? What do they mean?
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How did OXO manufacture this colander with such intricate wall feature?

Here's my guess, but I would love to hear another perspective. I think this is injection molded. This colander has draft angles and the two mold halves use an intricate step-like wall pattern to ...
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1answer
44 views

Autodesk Inventor Make Holes on Different Edges Based on One Line

I need to invent a construction based on standard square tubes with holes placed in certain distance from each other and from ends of the tubes: I also need to imagine the tube with holes as a ...
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351 views

In freecad, how do you copy a sketch geometry from one plane to another?

I'm using FreeCAD, and I would like to copy all the geometry in a 2D sketch to another plane. So you have a 2D drawing on XY, and you want the same geometry to be copied to XZ. I can't seem to find an ...
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0answers
23 views

Setup Invention Process in Engineering CAD Software

I need to develop a collapsible metal construction. I have a few specific prerequisites. Generally speaking, it will be something like a big construction toy, but not be a toy. It has the specific ...
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Different results for every cloud compare aligning module

I have tried cloudcompare and the aligning ICP module like this: and give transformation matrix lie this: For one STL file twice and get different result for under 0.1 value in max distance like ...
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1answer
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I need a roller setting where I input a 1 feet fabric and need it to be reduced and compressed about 9 inches and released back as 1 feet fabric

I have a requirement where I need to input 1 ft wide flexible 5mm thick fabric into a roller setting where my width is reduced to 9 inches and compressed and released back as 1 ft. I thought of using ...
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1answer
50 views

Help understanding this dimension sheet

I am trying to currently model a few parts for my custom 3D Printer. I have found some flanged lead screw nuts i'm going to use, but i'm having a hard time reading the dimension sheet. Specifically, ...
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How can I draw an angled wall with constant thickness per slice along an axis?

This questions is hard for me to formulate, so here is the problem: During these Covid-19 times, my dad (a mechanics manufacturing teacher) made two articles (1, 2) on how to design and model custom-...
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1answer
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Cloudcompare Cut at specific coordination by one reference cut (third part of question)

according to these two previous question: Cloud compare Cut at specific coordination by one reference cut and : Cloud-compare Cut at specific coordination by one reference cut (second part of ...
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1answer
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Cloudcompare M3C2 vs C2M signed distance outputs (reference cloud problem!)

I have two mode which using the cloud compare for comparing those together, i used the ordinary distance compare method ( C2M signed method) with this parameter as you can see here: and for more ...