12CAD.com | Computer Aided Design guide and tips

Steering Knuckle

A steering knuckle is one of the most important component in automotive suspension system. This rather odd looking mechanism coordinates the steering mechanism of a vehicle with the suspension system and then the actually wheel.  Depending on the vehicle and suspension design, the steering hub or spindle

Using the command window in AutoCAD

The command window in AutoCAD, for the less I can say, is where all what you are doing is being recorded. It is also the means AutoCAD uses to communicate with you. It is important to know how to use it. All icons are shortcut of commands.

How to draw a spring in AutoCAD

Drawing a spring in AutoCAD is relatively easy using the SWEEP command. If you had a look at how I started working on AutoCAD 3D you would know a little about the SWEEP command. But before getting to using the SWEEP command, I would like to go

UCS in AutoCAD

UCS stands for User Coordinate System and is represented by the object on the left down corner of your AutoCAD windows. This is a crucial tool for 3D design in AutoCAD. This is why in this post I will use the simple figure below to help you

Basic Tools in 3D in AutoCAD

While a lot will give you many reason why AutoCAD is not the indicated software for 3D I want to deliver in this post the concept of 3D in AutoCAD and what you should be thinking about if 3D is a total new concept for you. 3D

Best Free CAD Software for Beginners

Free CAD software for beginners is the topic we will discuss today. As the title states, this is not an article for professional graphic designers but one for the budding architect, the prospective engineer, and the aspiring graphic designer planning to make a name in his or

The Best Free AutoCAD Alternative

While running the last series of 2D AutoCAD exercises, I felt it would be unfair to those who wanted to learn CAD but did not own the AutoCAD software. I am choosing to begin this set of experiments with DraftSight, which I recently installed and in my

Annotation scaling in AutoCAD

Here is how to work with Annotation scaling in AutoCAD Sometime, annotations might be either too big or too small compared to dimensions you used in your project. Here is how you can change annotation features in AutoCAD, including text, and color The DIMSTYLE command help you

How to link an Excel file to AutoCAD

Here is a quick way How to link an Excel file to AutoCAD. The TABLE command in AutoCAD allows you not to only import your data from excel to AutoCAD but it also allows you to link both files together. That will make any change from excel

How to write text on arc in AutoCAD

Here is how to write text on arc in AutoCAD in 3 simple steps. Step 1 Draw your ARC, using a circle and trimming it or using the ARC command. Step 2 Go on the EXPRESS TOOLS tab, click on ARC ALIGNED TEXT and select the ARC

Linetype in AutoCAD

Every linetype in AutoCAD is stored in .lin files. Only one linetype is loaded in your design when you open a new project in AutoCAD. To have access to other linetypes, you will have to load them manually. Loading a new linetype (Using of the LT command)

ArchiCAD – AutoCAD Alternative

ArchiCAD like you might have guessed by the name is a CAD software dedicated to architecture. It is not a free CAD software but a free education version is offered on the official website. ArchiCAD gives you advanced tools for rendering which makes it one of the

IronCAD – AutoCAD Alternative

IronCAD is well known advanced CAD software in the industry. It is not a free CAD software. It is only available on Windows. IronCAD is considered to be one of the most easy to use CAD software in the industry. You can download the 30 days evaluation

OpenSCAD – AutoCAD Alternative

OpenSCAD is a free CAD software oriented in mechanical part design. It made its way to our list of AutoCAD alternatives. If you are looking for a free CAD software that will allow you to create complex 3D mechanical parts, you might want to check this CAD

BricsCAD – AutoCAD alternative

BricsCAD is a CAD software featuring DWG files with Advanced 2D and 3D capabilities. This is not a free CAD software. The cheapest version costs around 485USD. There is platinum, pro, and classic version. BricsCAD is definetely an alternative to AutoCAD for lower budget, and it is

DoubleCAD XT – AutoCAD Alternative

DoubleCAD XT is nice free alternative to AutoCAD LT. It supports 2D and 3D but will allow you create only in 2D. It has an advanced version fully supporting 3D but the latest is not free. DoubleCAD XT supports files like .SKP to .DWG making it possible

BRL CAD – AutoCAD Alternative

BRL CAD is a free and Open source CAD software. This solid modeling system includes features like: A system performance analysis benchmark suite High-performance ray-tracing for rendering interactive geometry editing A libraries for robust geometric representation High performance for geometric analysis Image and signal-processing tools The community

AutoCAD 3D Tutorial – Part 4

Today's 3D exercise is the following. Simple one right! Without further comments let's dive into it. Step 1 Draw these two objects. Step 2 Long story short, using the same technique that we used in previous exercises, we will EXTRUDE those object each with its respective dimension,

AutoCAD 3D Tutorial – Part 3

Hello! here is the 3D object we will exercise on today. As you will notice, it is not far different from the one we have already done here. This one will help us use the CHAMFER command in 3D. Let's do it! Step 1 Draw these two

AutoCAD 3D Tutorial – Part 2

This is a second post of learning of AutoCAD 3D for beginners. The figure below will serve as an exercise for today's tutorial. What should be mentioned before diving into the tutorial is, you need to be able to draw the two upper 2D figures in AutoCAD