20years Yesterday. Today. Tomorrow. You need solutions that aren't just focused on your design processes, but that directly impact business and how you're able to get it done. At Design & Drafting, we understand more than just CAD. We understand Design. More importantly, we understand your business. For over 5,000 users in over 20 countries, Design & Drafting has been providing expertise and innovative products and services to address lighting, sound & video needs in CAD for more than 25 years.



Rufus W. Warren III - Founder & President

Rufus's focus at Design & Drafting is to develop, manage, and execute the long term strategic vision of the company. Rufus's strong technical background allows him to effectively combine technical and business requirements to help drive strategic business development initiatives with partners such as QConcept and CAD4theatre.

John E. Gorman - Vice President of Engineering

John has been instrumental in developing MosFET dimmer technologies.
His in-depth knowledge in Engineering has fueled innovation in MosFET dimming and Power Control Circuits world wide.

Patents by Rufus W. Warren III and John E. Gorman
USA 4,949,020 USA 5,268,631 USA 5,600,233   UK 2,241,393 CA 2,010,313
patent1 patent1 patent1   patent5 patent6


2013 CAD-N-Lighting News Launched
• LD Assistant Ac & PL 2013

2012 CAD-N-Lighting News Launched
• CAD-N-Lighting News New, a letters for lighting designers using CAD

2011 LD Assistant 2012 Launched

• LD Assistant Ac & PL 2012 with 3D Audio, Pyrotechnic Effects and Wire & Cable

2010 LD Assistant 2010 Launched

• LD Assistant Ac & PL 2010 with more lighting design features

2009 Design & Drafting Adds sACN To LD Assistant 08
• LD Assistant 08.5 with remote view and control of lighting
• Added connection to ETC Consoles and Dimming Systems using sACN

• Support for Pathway's Pathport added
• New block library delivered

• Audio & video playback on any block in real time

2008 Design & Drafting Adds Real-Time Video and Total Show Simulation© to LD Assistant 08
• Design & Drafting first to offer VIDEO anywhere and Real-time Show Simulation
• Design & Drafting become NVIDIA developers
• Real-time LIVE over the internet support offered to LD Assistant users

2007 LD Assistant 08 Launched with Photometric Lights, IES support & Advanced FX rendering

2006 AutoBLOCK 2007 Launched
• CADcontent launched
• 7,000 online blocks and textures MyBLOCKS launched

2005 LD Assistant 04.5 With 64 Universes Visualizer Launched

• Design & Drafting acquires AutoBLOCK200 from MSZDesign

2004 LD Assistant 04 w/FX Rendering (Volume Light) Launched
• LD Assistant 04.2 w/FX Rendering (Lens Effects) launched

2003 AutoCAD® plug-in ACAD Lighting Launched
• Design & Drafting becomes HP Developer

2002 LD Assistant AC & PL 02 Launched
• LD Assistant Wins Product of the Year at LDI

2001 LD Assistant AC & PL 01 Launched
• i-Drop Website opened with hundreds of blocks

2000 Code Ported From VectorWorks® plug into LD Assistant Ac Standalone CAD Program
• Multiple products delivered for vertical market segments

1999 Design & Drafting become Autodesk OEM, UAR Reseller and ADN Developer
• Florin Nitu Appointed as Director of Programming
• Design & Drafting delivers 2,000 New Blocks and Textures

1999 Receives International Patent 2,010,313 Lighting Control System

1988 Design & Drafting Launches LD Assistant Studio Plug-in for VectorWorks®

1997 Receives US Patent 5,600,233 Inventor Dimmer Power Control Circuit

1995 Design & Drafting Launches LD Assistant Pro Plug-in for VectorWorks®

1994 Receives International Patent 2,241,393 Inventor Dimmer Power Phase Control

1994 3,000 Symbols Licensed to Diehl Graphsoft (now Nemetschek)

1993 Receives US Patent 5,268,631 Co-Inventor Dimmer Power Phase Control

• Nominated for Illinois High-Tech Award
• Design & Drafting launches Symbols Blocks Library in Mac Magazine

1992 Nominated for Illinois High-Tech Award
• Design & Drafting launches LD Assistant Plug-in for VectorWorks®

1991 Faces Chicago, lighting design and installation
• 59 West Chicago, Lighting design and installation

1990 Design & Drafting Launches Symbol library plug-in For MiniCAD VectorWorks®
• Inventor and Designer of Product of the Year 1990

1990 Receives US Patent 4,949,020 Inventor MOSFET Dimming

1990 Excalibur Chicago, lighting design

1989 Whitey Herzog's Night Club (Power Station) lighting design

1988 Ditka's Arlington Park off track, lighting design

1987 Ditka's Maryville, lighting design

1986 Design & Drafting Draws and Copyrights 5,000 symbols/blocks Ditka's Night Club, lighting design

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Design & Drafting
PO Box 464
Oak Lawn, IL 60453 USA
Phone: 1 708 499 0107
Email: support {at}
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Design & Drafting
PO Box 464
Oak Lawn, IL 60453 USA
Phone: 1 708 499 0107
Email: support {at}
The New Standard in Entertainment Lighting Design, Visualization & Event Planning Software used by thousands of professional lighting designers around the world. Generate Plots, Stage Lighting, Show Simulation, Show Pre Cueing, Real-time Visualization, Lighting Design, Lighting Plots, Visualization, photo realistic Rendering, DMX Control. Autodesk developer. © 2011 Design & Drafting Oak Lawn, IL 60453 USA. Autodesk, AutoCAD, AutoCAD LT, DWF, DWG, DXF, ObjectARX are registered trademarks or trademarks of Autodesk, Inc., and/or its subsidiaries and/or affiliates in the USA and/or other countries. All other brand names, product names, or trademarks belong to their respective holders.© 2011 Autodesk, Inc. All rights reserved.