Open SCAD is software for creating solid 3D CAD objects. It is free software and available for Linux/UNIX, MS Windows and Mac OS X. EDrawings Viewer is a free software for Windows and macOS that allows you to view files in DWG and DXF format extremely quickly. It is very intuitive and includes all the features you might want from an “essential” application of its kind: project opening, zoom, rotation, animation, navigation, etc. Graphite is a 2D and 3D wireframe CAD software for Mac. The software is previously known as Vellum. It has a simple, easy to use user interface that helps creative people to create a precision drawing and Drafting without having any knowledge. With Graphite, the user can create 2D and 3D wireframe designs of immense complexity and precision detail. Products had to be compatible with Mac and offer core CAD software capabilities, such as: 2D drawing or 3D modeling features; Collaborative editing of drawings; Products needed a minimum of 20 user reviews on Capterra (published in the last two years). Products had to have a high overall rating (an average of at least 4 out of 5 on Capterra). If you think you might need an FTP app, CyberDuck is an oldie but a goodie - and can be downloaded for free. If you go to the Mac App Store, it'll cost you £17.99.
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If you need to work or learn how to use a CAD program, without spending too much money on a professional program like Autocad or others, you can use one of these free programs that provide all the functions of a CAD program.
Here is a list of the top 10 free programs to download for Windows PC, Mac and Linux for technical drawing in both 2D and 3D projects.
List of Free CAD Programs for technical drawing
FreeCAD
Free CAD is an open source program for Windows, Mac and Linux that directly addresses the engineering and design of products for mechanical use.
It can also be used for architectural projects or other engineering sectors based on 3D modeling.
Although free, FreeCAD is considered as an alternate of other popular CAD programs thanks to its ability to create real 3D solids, support for networks, 2D drawing and many other professional features. The program is modular therefore expandable with many extensions.
NanoCAD
NanoCAD is one of the best free and unlimited solutions for creating 3D CAD drawings.
Its most important feature is the native support to the DWG format which is then that of Autocad.
Its most important feature is the native support to the DWG format which is then that of Autocad.
This means that a DWG file created with nanoCAD can be sent to other people who can then open it with Autocad without having need to convert.
Sculptris
Sculptris is a free 3D graphic design program for Windows and Mac.
Easy to use, it’s not really a technical drawing program, but a software to draw 3D models like sculptures or figures.
Easy to use, it’s not really a technical drawing program, but a software to draw 3D models like sculptures or figures.
As the name of this small software recalls, it serves to create virtual sculptures. In practical terms, it means that with Sculptris you can draw three-dimensional figures but not animations as you can do with the more complicated Blender.
SketchUp
SketchUp is one of the most popular 3D modeling programs used primarily for architectural works and other niches in the 3D project industry.
The program for Windows and Mac is complete and professional with all the tools included for free. You can also see the galleries of works done to understand that there are no limits of using this program.
LibreCAD
LibreCAD is a free, open source CAD drawing program for Windows, Mac and Linux.
A complete tool that is proposed as an alternative to Autocad. LibreCAD can be used for all 2D architectural engineering drawings, to design mechanical parts, for construction, simulation, interior design, creative design and diagramming.
DraftSight
DraftSight is another free 2D CAD editor for professional CAD users, students and teachers, to work on DWG files.
The program is perfect for those who prefer minimal and simple CAD software. DraftSight can be downloaded for Windows, Mac and Linux.
OpenSCAD
OpenSCAD is a 3D modeling platform ideal for engineers, to design parts of machines using script programming. So there is no button interface and it is only for programmers.
Kicad
KiCAD is a free design tool for drawing printed circuit boards (PCBs), for Windows, Mac and Linux.
QCAD
QCAD is available for all computers to create technical drawings of buildings, mechanical parts or even diagrams.
Since it is open source, QCAD is modular and extensible. Its 2D CAD platform is powerful yet easy to use even for a beginner who has little or no experience.
3DCrafter
3DCrafter is a simple 3D modeling program that works simply through drag and drop. It is used to create animated models by drawing scenes in real time.
Cloud Citrix VDI
Get an easy and handy access your CAD software anytime on any device by loading it onto high performance Cloud Citrix VDI powered by Apps4Rent with excellent support.
Other guides on CAD:
Conclusions
For an engineer or architect AutoCAD is essential, since it is the main work tool. But if you are still at university or have multiple computers to work on, you can very well install one of the programs recommended in this guide, so that we can still work on 2D technical drawings and 3D projects without spending much on the various AutoCAD licenses.
Part 1
1. SculptrisFeatures and functions:
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· The Sculptris serves as a powerful yet elegant tool for designing 3D art-forms or sculpting through digital media.
· The program, at its centre, provides the user with a clay ball each time it is run, from where on one can proceed with designing/sculpting .
· The toolkit and the mechanism for creation of designs are unique yet easy to understand.
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· Sculptris makes it possible to drag and place clay models, alter their shape and size, materialize your designs in any desired fashion.
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· The tool in sculptris functions solely through mouse buttons.
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Pros of Sculptris:
· Thisfree CAD software for Macneeds no prior installation.
· It is a lightweight program that serves as an effective and utility application for 3D modelling ventures.
· This program helps create amazing designs without having to go through tedious learning curves or learn extensive technical concepts.
Cons of Sculptris:
· Certain editing options such as 'undo' and some commands are not easily accessible.
· Support or software-specific help are not too particular and can be developed for better user experience.
· The interface does not quite match up to the industrial standards.
User Comments/Reviews:
·Easy UI (user interface) enables learning of complete program via trial and error in a less than an hour rendering virtually anything you may be able to sculpt with clay instantly with professional quality.
· Very simple. Can export to brush (using GoZ) or as an ob_x_ject to be opened.
http://download.cnet.com/Sculptris/3000-6677_4-75211273.html
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