Free high-end CAD for Windows

Whether you are a model engineer who needs a professional CAD tool for creating or editing your unique designs, or you want to use CAD software for hobby, DIY or home improvement projects, MEDUSA4 Personal provides you with an extensive, professional set of design tools. Download the CAD freeware for Windows. You will automatically receive your 12-month renewable free software license during the installation.

MEDUSA4 Personal Download

Introducing all the functionality of the professional MEDUSA4 software free for personal use. The product allows you to import but not export data, and sheets are clearly marked “Not for Commercial Use”. This can be removed for a small fee on the CSG eSERVICES



If you are a business, wishing to use MEDUSA4 Personal free of charge, you can register for free at the CSG eSERVICES Portal.


Convert Drawings for Commercial Use

Create new designs or edit existing DXF files

Use MEDUSA4 Personal to open and edit existing drawings in DXF format, or create your own designs. 2D drawings are saved in MEDUSA4 Personal *.she format.

Use “sheet-based modelling” to create 3D models from 2D drawings

You don’t have to have 3D modelling experience to use MEDUSA4 Personal to create simple 3D models from 2D data.

Newsletter: Stay informed!

Our newsletter contains informative articles on topics such as IoT and CAD in mechanical engineering, plant design and factory layout. We will also inform you about new software versions, special offers, and dates for training courses and events. Tips & tricks and video tutorials for our software are also available.
Information on data processing, the registration procedure, the dispatch, statistical evaluation and options for cancelling your subscription can be found in our data protection declaration. Each newsletter we send will also contain a de-registration link.