WElCOME to CAD X11^® Free!

You will be making a difference,

by choosing to use this CAD X11® Free software, for yourself and for all our users. Whether you use this Free version or the Pro version (affordable to everyone at $20 if ordered within 10 days of requesting the free version), you will be part of the user base GrayTech relies on to achieve our goal of assisting the most people and organizations possible with their drafting and modeling needs. Please feel free to tell all your friends and associates about the availability of this free software, and the Pro version!

Brief Description

CAD X11® Free is a general CAD system ideally suited for drafting (strengths in mechanical drafting) and light wireframe and surfacing modeling on Windows 7, Vista, XP, 2000 or NT 4.0.

Standard features

CAD X11® Free include 3-D wireframe modeling, surfacing, DXF import, 2-D drafting with ANSI, ISO and JIS dimensioning, geometric tolerancing, TrueType Font support, undo/redo, dynamic rotations, multiple views, data verification, geometric analysis, crosshatching, Windows printer support and PDF output.

Download Requirements

You will need to email and provide your first and last name which is used for your username in order to download the file.  GrayTech generates the password which will be returned to you along with a username the next weekday morning if possible, but at times it might be the next weekday afternoon or possibly a day later.

GrayTech has absolutely no intention of disclosing your email address to anyone outside of GrayTech Software. Your reply via email classifies you as a more serious inquirer of CAD software and will be used to return you a username/password and, on occasion, GrayTech will provide you with more information on the free version and other relevant information regarding our CAD products. We have chosen to personalize the username since you are a unique person, hence our request for your first and last name. If you truly object to this request, use a fake name or alias. Please do not send digitally signed emails or one that requires registering with a SPAM protection service, these emails will not be processed. If one or more days pass and you do not receive an email, please try again as likely your inquiry was caught in a spam filter.

Access to the free version is only provided via our Web site.  If you have any difficulties or questions getting the software installed and running, please send email to .  Phone call support is not offered with the free version.

You can make a special contribution to our development team right now,

by choosing CAD X11® Professional for the current price of $20 with Lifetime Support. With the Pro version, you have 1024 layers versus 1, up to 50 MB files versus 200 kb (200 kb can handle B and some C Size drawings), DXF export, IGES support, Auto Save, Geometric Analysis, the Architectural Wall function, Surface OpenGL and Direct3D shading and numerous special data exchange formats.

Orders may be paid by Visa, MasterCard, Discover, AMEX or PayPal (PayPal is our shopping cart).

Product Details

Features of CAD X11 FREE
Features of CAD X11 Professional Version

FREE Software

Demo Software of Professional Version

GrayTech Software, Inc. offers demonstration software for users to test drive our Professional version.