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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Trying to get a plane at a certain distance and angle

I'm working with solidworks and trying to make a plane at a certain distance and angle from another plane. Just for some context, I want to do something like this: My plan was to create a plane at ...
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Design automation using fluid dynamics simulations

I have a question about design automation or generative design. There is a company that creates pumps. Their work-flow is following: 1) create design of a pump using CAD 2) create mesh for ...
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SOLIDWORKS - 3D Sketch of Trombone

My task is to create a 3D Sketch of a trombone like the one below My professor recommended defining the points 1-4 and putting a spline through them. I did that, but my resulting design looks weird. ...
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What CAD software is this?

In Rocket Lab's presentation video, at around 00:21, you can see some engineer work with CAD software. Here's a screenshot: Can anyone recognize which software they're using? Asking for a friend.
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Getting From 3D a model to CNC router

Apologies if this is not the correct SE for this sort of question. But, this is the only place I've seen an appreciable number of CAD questions. If this isn't appropriate for engineering.se, a pointer ...
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Solidworks static simulation having issues

I've got everything set. Material is aluminum alloy 6061. I've set the component contacts to no penetration. I have a contact set where both blocks meet and keep getting the same error. The bottom ...
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Getting the elevation of a specific point of a elevation gridline

In a highway Project, I have to design a road connecting to roads together. The map I have on AutoCAD is a elevation gridlines map and I have x, y and z coordinates but I don't know how to get an ...
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Program for creating a cylinder given its axis, center and radius?

I have data with the following normalized values: Unit vector for cylinder axis: -0.00270666, -0.01226211, 0.9999212 Normalized coordinates for cylinder center 0.01412114, 0.01074875, 0.00017004 ...
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Is there any software for testing cad model waterproofing and isolation?

I have a cad model of a plastic box that is made of two parts. Two parts are connected with resin isolation. I want to test if my part is at least in theory ip86 water-resistant. So is there any ...
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29 views

Simplest software for making 2D and 3D visualizations(animation),

I have to do simple visualization or animation of movements for simple hand prosthesis. There are no validation or calculations required. I just want to show concepts working principles (movements ...
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Cad align with point vs auto fit at Cloudcompare via GEOMAGIC Control

I need to compare two STL (Dental model Scanned) files and find the deviation between their points, SO this two STL files have different boundary, so i already used the GEOMAGIC Control software for ...
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How to add a level to component hierarchy in Fusion 360?

Fusion 360 has the "browser" (tree structure) and timeline to represent the CAD model. When I realize I should have created a parent component for an already existing component, how to do this? In ...
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Design of Gating & Runner system in Gravity Die Casting

How to design gating and runner system in permanent dies so that material flows smoothly throughout the design without spilling back from the gating channel. What should be the shape of gating system ...
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Ghost / Transparent feature in STL from Autodesk Inventor

I don't know if I am using the correct terminology, but I want to ghost out of portion that is circled in red. The purpose is that when I add this as an STL to a program, I want to insert it into ...
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Software for automatic building floorplan calculation / drawing (packing problem)

An apartment yield analysis is a set of draft drawings in which the optimum residential apartment layout and resultant yield is calculated for a given building site, taking into account development ...
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(CAD) Inventor - Extrude rectangular pattern of circle sketches

[ Hello, I try to extrude a lot of circle sketches but I can't select all of them and when I try, there is so many lags. Does someone has a solution ? I am sorry I'm a noob in CAD. Thank you so much !...
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Fusion 360: Measurement issues to Slicer Software

So I made a design for the Autodesk Competition but for some reason, I have never had this issue, but when I export to .obj and open in S3D, it doesn't convert the measurements. My meaning: I have a 3....
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Cad file for turnstile mechanism/ one-way clutch/ one-way rotation?

I am writing my first 3D cad-file and I want to place into it a turnstile mechanism (a mechanism that allows a fixed axis to rotate only one way, and not in the opposite). Are there cad-templates for ...
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Help interpreting dimensions from this drawing

Why there are different dimensions for the same measurements on this drawing? For example 0.127mils and 0.097 mils pin to pin. Or highlighted 405 and 385 mils. I can't find anything on the datasheet ...
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Free alternative to openinig solidwork defualt files in linux( *.sldprt & *.sldasm)?

I migrated to Linux and don't want to use solidworks , so i need one software which could opening my already solidworks file like *.sldprt and *.sldasm . So i have installed FREECAD but it could not ...
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which open source CAD? [closed]

I need a 3D CAD software that permits to create parts and assembly. Right now, I try FreeCad, Salome and BRL-CAD. The first one can create only single parts, not assembly. Salome have the same problem....
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How can I see the scale of a DWG file?

We've been given a DWG file from a topographic survey of our garden. It looks great but when I try to measure dimensions of objects in Autodesk I know the real world size of, they're off by a factor ...
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How to know the maximum offset distance in solidworks that doesn't result a defromed shape

using the offset tool on surfaces can result a shape different from the one offset from, as in broken lines or edges instead of curves like this: is there a way to know the maximum distance i can ...
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After I knit the surface some blue sketch lines presist

Knit command on SW 2017 results blue sketch lines even with all surfaces selected I was following the steps in a tutorial and I am sure i got them all 100% correct up to that point. what could be ...
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3D assemblies - model nominal clearance, assemble centered or assemble pushed to limit

This is difficult to describe.. in general what is the best practice for mating parts in 3D assemblies to show the nominal clearance gaps. A simple example would be a pin and a hole. Would best ...
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66 views

Building a half-arch of a specific height, while consistently using an angle divisible by 90

I am trying to construct a lift handle in the CAD Sketchup. The circled part of the image shows the arch I'm referring to. The program, Sketchup, has a 'tool' called push/pull, and another tool ...
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How do I read this engineering drawing for this screw?

I am trying to recreate this screw hole in 3D modeling software Siemens NX. This drawing is from page 4-14 in MagneMover LITE User’s Manual document.
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The underlying library FreeCAD uses to manipulate STEP file format and format conversion

I am looking for answers to the following questions concerning FreeCAD from someone who is familiar with implementation of FreeCAD : Which library FreeCAD uses to parse STEP file format? Which ...
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Tolerancing considerations for temperature rated mechanical assemblies

I am currently designing a mechanical tensile testing setup to operate at different temperatures (-20 to 100 C) in a wet environment. I plan on machining two sets, one from stainless and one from PMMA....
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Find correct dimensions from mechanical drawing

I'm designing an electrical component into a CAD from the manufacturer drawing. The version I'm interested to is the code 106166-1 (6 positions, last entry in the table). I'm not sure to understand ...
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Bending a concave sheet metal lip in AutoDesk Inventor

I am trying to bend this sheet metal concave lip inside the electrical box. I also need the top of the bent part below the top edge of the outside of the box.
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What is an engineering term for this type of arm

I'm trying to describe a part - it's an arm that holds an axle sleeve (which ultimately holds a wheel). I'm stuck right now describing it simply as a "wheel arm", but was wondering if there was some ...
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1answer
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How to add radial protrusions to a disc in Autodesk Inventor

First post here, trying to get a little help with Autodesk Inventor. I am trying to make a part that is basically a wheel with little nubs on the end (think of a lego with tabs on the outer ...
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CAD - Using code to edit a CAD file

I have a CAD file in SketchUp that I would like to edit using code (ie: its dimensions, properties, etc.) What is the best way to do this? If I export the file as an STL, is there a program where I ...
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238 views

Fusion360 - How do I fill these sketch planes into a body?

How do I make this highlighted part of drawing a solid body so that I can than boolean / subtract it later? All of these faces / planes are connected.
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How do you implement a pattern over a bent plate in Autodesk Inventor?

I am attaching the model part as an Image below for your reference:- I need the pattern like this on the above model. I have the model shown above, and want to put embossed lines 0.2 mm thick with 0....
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What is a mechanism with teeth like this called? [duplicate]

I'm trying to describe a part that I'm designing that has a disc with incremental teeth, like what is pictured here; which mates with a similar part. What is this type mechanism called? And what are ...
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81 views

Tool Clearance at Bottom of Milled Thread

Hi, So I have a large piece that I want to thread (the entire region in blue), but I am not sure how much space to leave at the bottom for retraction of the blade (region in red), see above image. ...
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How to calculate properties of a thread?

I have a simple thread joint between two objects: and want to find a size of those threads so that after rotating male part it stands at the specific angle. For those who is curious I made it in ...
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How buildings 3D model is created [closed]

Suppose I have a rough 3d model of a building created it some CAD software. Now I want to change some portion of the model based on the following factors Lighting Energy consumption Structural Load ...
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1answer
130 views

How to make datum planes on a cone in Creo?

I am trying to make this I was able to make the base feature but I am facing problems with the secondary features. So could anyone shed some light on how to make the datum planes on cones. I made ...
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2answers
666 views

Creating a “half dome” in solidworks

I have a half cylinder shape, and another half cylinder sketch perpendicular to that first cylinder. I wish to create a "half-dome" between these two surfaces (picture what should look like almost a ...
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1answer
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Crafting a mirrored shifting drum for motorcycle gearbox

I would like to reverse the gearing of my Husaberg FS 650e motorcycle so that by pressing the shifting pedal the gearbox changes up instead of down to the first gear. There are many solutions on the ...
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Converting Creo files to STP on linux

I need to send out some PRT files for tooling that have been made using Creo. I do not have a windows PC or mac available at the moment, only linux. Does anyone have some advice how to go from here?
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Why are there multiple ways to save polygonized 3D model data?

In CAD, there are multiple file formats only for the scope of saving polygonized models in three dimensions. For example, there is the Object File Format and furthermore, there is the much more ...
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Curved Slider Mechanism With Two Different Radii

I'm trying to make a slider mechanism that is guided around a curved rail that consists of two different radii. As you can see in the image, the section of the rail with a diameter of 120 mm requires ...
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How to put the green diamond back in it's original position in AutoCAD 2018

How would I go about resetting the position of the green diamond which acts as an anchor point for these text objects? The idea is to be able to move the text box around with the green diamond in it'...
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How to indicate standard screw thread in drawing

I have no experience with actual CAD drawings and CNC machines so please forgive me if this is a really stupid question... Anyway I have a part which I have 3D printed and it contains some internal ...
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Please Help me Read this Engineering Drawing

I am trying to CAD up a drawing for a plate for this motor to mount to. I figured it would be easy since they provided an mechanical drawing, but I have never seen one like this before. Can you please ...
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How would I get my hands on something I designed in Solid works?

Lets pretend I designed a plastic Lunchbox, like the ones pictured below in solid-works. What processes or options are involved in obtaining a physical sample of my design?