Welcome to CAD Systems Unlimited, Inc.

New SlickPdfPlus v1.4!  Convert AutoCAD drawings, dxfs, and dwfs to PDF and to almost any raster file format (tiffs, jpgs, bmps, cals, jedmics, and many more!).  Batch conversion supported including conversion to black and white PDF!  Display and export drawing block attributes!  Batch exporting supported!  Includes all the features of SlickViewPlus v2.4.  See description below.  Download free 30-day demo version. More info on SlickPdfPlus.  Latest version upload May 4, 2008.  See Release Notes.

See product Review Magazine February 2008

New MassPlus v3.1.  Integrated viewer and section properties software with additional calculations and export results to CSV (Excel file).  AutoCAD is no longer required!  More info on MassPlus v3.1. Updated version automatically explodes blocks and polylines.  Principal axes of rotation are now displayed at the centroid.  Latest version upload April 7, 2009.  See Release notes.  Now bundled with MassPlus v2.1 at no additional cost.

"What a major upgrade!  This is a fantastic improvement.  I intend to upgrade right away." James K. Grant, James K Grant Associates Structural Engineers

 Download demo for MassPlus v3.1 mpwin3x.zip 

Slick! ViewPlus v2.4.05 for Windows.  Now supports AutoCAD 2009,  Autodesk Mechanical 2009 drawings, and 3D DWF files.  V2.4 now allows overriding windows default paper settings for paper size and orientation specifically for DWG printing! More Info View AutoCAD drawings (DWG),  design web format (DWF), and drawing interchange files (DXF) files from R12 to 2009 and a wide variety of raster formats.  Batch printing of all supported files including PDF. Front-end to SolidWorks, Microstation, and ACIS viewers.  Now acts as front-end to AutoCAD for opening and inserting drawings with resizeable explorer-type  windows.  Free 30-day trial evaluation copy.  Latest version uploaded 03/30/08. See Release Notes.

Click here for more information on Slick! ViewPlus.

Click here to download free evaluation copy of Slick! ViewPlus. 

Click here to download help file for Slick! ViewPlus.

"...Once the word got out and others saw the new
Slick ViewPlus, I had people begging me to load the remaining seats on their PC's. Best regards, and I love your product."  Ed Moffitt, Matthews International, For all your Marking Equipment needs

Also available, Slick! View v2.4.05  Viewing support limited to AutoCAD drawings, DWF, and DXF files thru AutoCAD 2009. Latest version uploaded 04/03/2008. See Release Notes.

"For our company, SlickView is a very cost-effective solution for viewing AutoCAD drawings , and CAD Systems Unlimited has been very diligent about resolving any printing and/or viewing issues that have arisen."  Jon Hare, Kondex Corporation

Click here to download free evaluation copy of Slick! View.  

Slick!  v8.5.  and Slick! LT  v8.5.  Batch convert dwgs, dxfs, cals, and other supported formats to any Adobe PDF standard paper size!  Slick! v8.5 is a general purpose viewer for over 200 files formats with redlining, file conversion, and database features.  Latest version 5/28/2005.

Click here for more information on Slick! v8.5

Click here to download free evaluation copy of Slick! v8.5 Full Version (with database support)!

Click here to download free evaluation copy of Slick! LT v8.5  (without database support)!

MassPlus v2.1 - MassPlus calculates area properties (moments of inertia, section modulus, and more) for any 2D AutoCAD / IntelliCad geometry.  Now available with support for exported SolidWorks 2D profiles into AutoCAD including CATIA dxf files.  Click here for more info! New version is faster and supports the newer versions of AutoCAD thru AutoCAD 2009.  Now bundled free with MassPlus v3.1.

Updates are always free for a specific version.  That is, if you own a license for Slick! v8.5 or Slick! LT v8.5, or Slick! ViewPlus all the build updates for the corresponding versions are free!