With DesignSpark Mechanics, you can create your designs, drawings, prototypes and reverse engineer any physical object with addible notes, dimensions and geometric tolerances.
DesignSpark Mechanical is a free mechanical CAD software with ease of use and learnability
Here you can download the software :
https://www.rs-online.com/designspark/mechanical-download-and-installation
Click Image to open a Youtube Video to discover top 5 reasons to use DesignSpark Mechanical !