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TAD Designer

TAD Designer Lite is a space-based BIM tool for architectural design, intended to support work from early concepts onward.

Place
#30 of 36
Score
6.1
TAD Designer's website

What TAD Designer is

TAD Designer Lite is a space-based BIM tool for architectural design, intended to support work from early concepts onward. Designers can develop rough ideas into more detailed models, starting with 2D shapes and adding 3D attributes later. Users can query design information such as areas and distances, and the built-in ARDELA language lets them create probes or add-ons for model analysis. TAD is not drafting software; its maker says designs can be exported to CAD and 3D software, including RenderMan-compatible renderers and POV-Ray. Supported formats listed include VRML 2, Virtualight, and RenderMan. The maker describes Lite as intended for small and medium architectural offices, especially in developing countries. Work is saved on the user's computer or LAN, and the maker says binary files receive a DRM signature to help protect models from misuse or copying. Lite is free, with free teamTAD Discord membership required for the full version; demo mode is available.

Good

  • Builds models from 2D shapes toward 3D attributes
  • Queries areas and distances during design
  • ARDELA supports probes and analysis add-ons
  • Work is saved on a computer or LAN

Watch out

  • It is not drafting software
  • Full version requires free teamTAD Discord membership
  • Mac and Linux use requires WINE

Who it suits

TAD Designer Lite is aimed at small and medium architectural offices, particularly in developing countries. It may suit designers who want a flexible BIM workflow and can use CAD or 3D software for drafting and related work.

Verdict

TAD Designer Lite offers a free, flexible BIM design workflow with model queries and analysis scripting. Its non-drafting scope and WINE requirement on Mac and Linux are important considerations.

Plans and prices

From TAD Designer's own pricing page, checked 30 Sep 2026.

All about pricing
PlanPriceWhat it gives you
TAD Designer LiteFreeFree to use · Full version requires free teamTAD Discord membership · Demo mode available

The facts

Each one read from TAD Designer's own pages, with the date it was checked.

What it does

Analysis
Users can query design information such as areas and distances during the design process.checked 30 Sep 2026
Data protection
The maker says TAD inserts a DRM signature into its binary files to protect users from others misusing or copying their models.checked 30 Sep 2026
Design workflow
It supports loose, flexible design that can be developed from rough concepts into more detailed models.checked 30 Sep 2026
Drafting and exports
TAD is not drafting software; the maker says users can export from TAD to CAD software and 3D software, including RenderMan compatible renderers and POV-Ray.checked 30 Sep 2026
History
The maker says TAD originated in a small architect's office in India in 1989.checked 30 Sep 2026
Intended users
The maker describes TAD Designer Lite as intended for small and medium architectural offices, especially in developing countries.checked 30 Sep 2026
Local storage
The maker says all work is saved on the user's own computer or LAN.checked 30 Sep 2026
Modeling
Designs can begin as 2D shapes and later receive 3D attributes.checked 30 Sep 2026
Purpose
TAD Designer Lite is a space based BIM tool for architectural design, intended for use from early design stages onward.checked 30 Sep 2026
Scripting
The built in ARDELA language lets users create probes or add-ons for model analysis.checked 30 Sep 2026
Support
The maker directs users to community support on Discord, in-app context-sensitive help, and online documentation.checked 30 Sep 2026

The company

Founded
1989checked 28 Sep 2026
Headquarters
Navi Mumbai, Maharashtra, Indiachecked 28 Sep 2026

Where it runs

Platforms
The requirements page lists Windows XP or later and says TAD also works on Linux, Macintosh, and Chromebooks with WINE.checked 30 Sep 2026

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