ConstructionLines With various settings, This is a command to draw the bottom line in the figure.

Create a dividing frame for drawing layout.

Create a partition frame for drawing layout.

Draw a cross section of the plate bending material.

Write assignment line with draft line

Generates 3D model from cross-sections and unfolds it into flat pattern.

HVAC Round Duct is a quick input parametric 3D drafting program for the creation of 3D Round Duct and Fittings.

The Express Document Tab program is a utility program that makes it easy to switch between DWG drawings in Autodesk® AutoCAD®.

CMU Factory creates a wide variety of Concrete Masonry Unit Blocks in Plan view with multiple options for each end condition and face condition. Additional Apps include Quick Block and Quick Brick.

This app helps to export your drawing files' names which are of .dwg format to a text file.

Dynamic Block Distribution Program.

Draft pipes & fittings of a Fire Fighting System professionally and dynamically.

Professional Drainage Manholes Network Program

Create and Distribute HVAC Diffusers

Dynamic and Generic Cable Tray Program.

Connect your Fire Sprinklers quickly, dynamically and professionally with this program.

Professional and Dynamic Fire Fighting Grooved and Threaded Program.

Create Flexible HVAC Ducts dynamically.

Dynamic and Professional HVAC Program.

Import and Insert HVAC blocks to current drawing with respect to the selected scale.

Connect from Diffuser or Grill to HVAC Duct.

Drafting PPR Pipes & Fittings of Water Supply System Professionally and Dynamically ( Imperial & Metric ).

Dynamic Wiring program

Steel3D-JIS creates a variety of Steel Shapes in 3D solids based on JIS database. Create simple or complex shapes made from a single non-segmented polyline.