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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Replicate loft-based object to value-driven object

I've made the following oddity in Solidworks: All the dimensions are known except for the top part. This is probably because this was done using the Lofted Boss/Base feature. The Loft profile goes (...
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In which file format are technical drwaings saved/stored? XML? How can the data be exchanged between other software?

I just want to know how the information contained in technical drawings is stored? Is there a kind of major representation/file format such as the boundary representation? Is all the information ...
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Mounting an electric motor to a transmission: how to measure

I'm trying to fabricate parts to mate an electric motor to a manual car transmission (although, I think this is a more general question). I need to connect this: To this: Like this: The approach I'...
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Autocad mechanical 2023 how to draw a tangent line?

I am learning Autocad because the company I have perspective to work for is using it. I have tried couple of things but none of them worked, first of all if I click ...
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How are 2D views from a 3D CAD Model stored in STEP-File with Boundary Representation generate for engineers to define details? And why?

I am new in this topic and need some help. There are 3D CAD models (stored as STEP Files with the boundary representation) and some engineers need 2D views of these models for further processing. With ...
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Using FreeCAD to retrieve planform area of aircraft

I have a science project I'm working on that involves a need to know the planform area of airplanes. The planform area is the area of an airplane as viewed from above the plane. I was told by someone ...
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Using FreeCAD to retrieve planform area of aircraft [duplicate]

I have a science project I'm working on that involves a need to know the planform area of airplanes. The planform area is the area of an airplane as viewed from above the plane. I was told by someone ...
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Force from screw on the clamp

I want to find out the force the screw (M5 , 12mm long) exerts on the clamp so it can hold the cylinder as shown in the image. I want to know whether the clamp can displace enough to hold the cylider ...
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Why is my driven dimension affecting my sketch AutoDesk Inventor

I am making a parameter defined sketch that can be changed by editing a few values. When i was doing some math i created a driven dimension to make sure that i was getting the correct value. For some ...
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Why is my toolbox empty? (SolidWorks 2021)

If I open SolidWorks and go to the toolbox, it only shows 1 map named 'Favorites'. The toolbox as well as the 'Favorites' map are empty. If I click to configure it opens a window as shown in the ...
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Are these section views correct Autodesk inventor

So I used AutoDesk inventor and created this machine part for the purpose of exercise , But it is preferred to not to hatch ribs in my course so is there a way to make it look like image (5 and 6) ? ...
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Autodesk inventor create rib feature failed

It's been kind of painful to create a rib I'm new to inventor while I was trying to create a rib symmetric about the YZ Plane this error keeps popping up
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How to draw hidden rib in Autodesk Inventor

I drew the outer hollowed body and the cylinder on 2 separate parts but I can't figure out how to draw this rib so that it is passes through the centre of the cylinder, a video of a similar example ...
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How to visualize isometric parallel projection?

I read the definition of Isometric Projection from this pdf that Projection plane intersects each coordinate axis in which the object is defined (principal axes) at the same distant from the origin. ...
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Trying to draw rib tangent to a circle AutoCad 3d modeling

I'm trying to draw a rib tangent to a circle but If some one can link a video or a tutorial on how to do that I'd be really thankful here's the drawing in 2d (the rib is highlighted with the red ...
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Similarities Between Mechanical Engineering and Computer Engineering [closed]

Im a high school student and I am writing an essay regarding my passion in various subjects of science, i chose engineering. I love learning about computers and coding etc and I'm also a great fan of ...
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What software is used to create the graphics for stuctural analysis textbooks?

I want to create some 2D and 3D drawings of simple trusses and frames. and I was wondering, what is the software used to create the graphics seen in structural analysis textbooks (example: R.C ...
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Animatronic Eye Mechanism - Eye Socket Spring Tension

I am building an animatronic eye mechanism that will ultimately be moved via servo motors for a project I am working on. It is comprised of the following components: Eye Plate - 3mm thick Acrylic ...
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Inside/outside test of any point on 2D plane?

Suppose I have one plane $Ax+By+Cz+D=0.$ I want to test $(x, y, z)$ is inside of this plane or outside. My attempt:1 Then draw normal N on that plane which point away from the observer Image1. If $Ax+...
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How to visualize angle of projection in Oblique Parallel Projection?

We know that in Oblique Parallel Projection Point $(x,y,z)$ is projected to position $(x_p,y_p)$ on the view plane.Projector (oblique) from $(x,y,z)$ to $(x_p,y_p)$ makes an angle $\alpha$ with the ...
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Best Practice for Tracking Vendor Firmware Rev

My employer has had me create a model of a vendor product (using OnShape) and make a simple drawing with some overall dimensions that we can hand to customers. However, they want to include the ...
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How did mechanical engineers work before SolidWorks?

I am studying a bunch of stuff related to mechanical engineering and am considering an eventual switch to the field after taking the necessary classes. I'm older, and I took drafting classes in high ...
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How should I create the pendant shown below?

I use Creo Parametric to model. I tried to model the pendant shown below, but nothing worked. I first made an extrusion of a circle. Then, I created the outer arc using sweep. I was able to get the ...
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Is there sufficient information to complete the bottom end?

BACKGROUND Fresh of the heels of figuring out my "kinky" issues in this question I thought I was fully prepared to deal with the following drawing titled COILED PIPE 2. The drawing seemed ...
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Coiling and bending pipe in 3D model

BACKGROUND: I had previously dealt with 2 pipe coils with oddly bend ends. for the most part I was able to use the coil tool and was able to line up a bunch of 2D sketches to complete the odd end ...
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Stress/impact simulation of a solidworks design

I am creating a waterproof box that will be submerged under a few feet of soil and also must be able to withstand the impact if dropped from a height. I am wondering if it is possible on solidworks, ...
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Part drawing information vs Assembly drawing

With my progress through various drawings, I finally came across an assembly drawing with parts I have actually drawn up that caught my eye. The first part drawing as shown below is a simple sheet ...
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2 answers
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How to crimp the ends of a corrugated tube into fins

I came across this drawing of a "Finned Tube" (Google translate). Took me a while to make out why the horizontal fin was different from all the rest in the side view at first. It turns out ...
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A better way to copy, rotate and mirror parts

Oh good gosh I hated this process. Not because it this was a hard drawing to sketch, but because I did not know some very simple commands/processes like I do for AutoCAD. For the following drawing I ...
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1 answer
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Best way to array/pattern something in a sketch so that it remains in a defined region

I went back to to the holes in the plate from this sketch. Based on comments I am assuming the 2.5 dia. holes are equally spaced 4.25 mm apart covert the surface of the plate. I also made an ...
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What is the best way to handle the hole pattern in this drawing

Apparently I am on a roll of more questions than not today. In the following drawing, there is a pattern (partial?) of 2.7 mm holes. The word in German pointed at them according to google translates ...
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Are these cut lines?

In the following drawing I am looking at the lined that come in on either side of the teeth/tabs that are spaced 9 mm apart and extend 6 mm into the material. In my head these are cut or shear lines ...
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Proper way to model same diameter hole with different tolerances?

This drawing indicate 3 concentric holes. What I did was: Sketch the circle for the outside of the cylinder - 38.5 dia. Extrude the circle for the overall length of the cylinder - 37 mm Use the hole ...
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Loft not quite making the cut

I am working in Inventor LT 2021 which means I do not have access to the sheet metal tool. Which would have been great as the example I am working on is sheet metal. The example drawing I am working ...
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Concentric Circles & Section/Breakout Confusion

This is part of my on going saga of drafting question with respect to the V2 drawings I am using for practice while learning inventor. The following drawing is titled "Partition" (...
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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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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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What are the limitations of Gravity Sketch? [closed]

Gravity Sketch is a program (app) for the Oculus VR platform. What are its limitations compared to, say, Fusion 360 (a slightly more traditional design platform?) It looked like it doesn't provide ...
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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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9 votes
6 answers
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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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How do professionals design parameterizable 2D design artifacts?

I have a hobby of inventing things that can be made with laser cutters using code that generates SVG dielines. I've just published an app I built to parameterize a couple artistic inventions that I've ...
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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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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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3 answers
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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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Are there tools to design and test experimental hardware and firmware through emulation?

I'm a programmer and I'm interested in testing an idea I have for a SATA intercept hardware device. I'd like to design a custom piece of hardware involving SATA connections, splitting of signals etc. ...
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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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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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