PVC 2D Piping System creates a variety of PVC Schedule 40 Pipe and Fittings for easy placement in the 2D PVC piping drawing. Includes 117 flanged and socket valves.

Save time and money drawing 2D K-Series Steel Bar Joists in the plan, elevation or section views in seconds, not the usual 10 or 15 minutes for 2D.

DWG Columns freeware shows the DWG and DXF version in Explorer columns or in file dialog boxes within Autodesk® AutoCAD® or other applications.

Show the DWG and DXF version and properties and metadata in Explorer columns or in file dialog boxes within Autodesk® AutoCAD® or other applications.

Save time on engineering projects involving Bulb-T-Girders. This app lets you quickly create different Bulb-T-Girder profiles with all the dimensions you need directly in your AutoCAD drawings.

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

HVAC Square / Rectangular Duct is a quick input parametric 3D drafting program for the creation of 3D Square / Rectangular Ducts and Fittings.

Array rebar dot over line, polyline, or arc

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.

Profiler3K offers a versatile suite of three applications designed to seamlessly transition 2D profiles into dynamic 3D solids, empowering users with enhanced modeling capabilities.

Bolts2D parametrically creates Imperial Bolts/Nuts/Washers in plan or elevation views for easy placement in steel details.

Steel Stairs 3D easily creates an unlimited variety of Industrial Steel Stairs in 3D solids. The completed stair is made into a block for easy placement and rotation.

Alum2D Aluminum Structural Shapes include W-Shapes, I-shapes, S-Shapes, Channels, Tapered Leg Channels, Equal Leg Angles, Unequal Leg Angles, Tubes Round, Square and Rectangle and Pipe.

SoftDraft Light Steel Framing Members 2K is a powerful 2D / 3D tool that allows you to easily select and place light steel framing members in your 2D wall sections and details and 3D Models.

Light Distribution distributes the lighting fixtures in a room according to the rule that: the distance between the elements is twice the distance between the elements and the walls of the room.

"GLTF Exporter for Autodesk® AutoCAD®” exports the model to a glTF (.glTF) and GLB (.GLB) file.

Tanks3D includes five vertical tank styles and three horizontal vessel types. The program has a simple dialog box interface allowing the user to specify the dimensions.

Available Sections Include: Standard C Section, Downturn Lip C Section, Standard Z Section, Downturn Lip Z Section, Cold Formed Z, U Section, and Jamb Stud.

Quick Block helps in the creation of C.M.U. Block Coursing for Wall Sections and Details.

PVC-40 3D creates a variety of PVC Schedule 40 Pipe and Fittings as 3D solids for easy placement in the 3D-PVC piping drawing.

FiberGlass Structural Shapes includes W-Shapes, channels, single angles, square & rectangular tubing, I-Tees and W-Tees.

Why spend 15 to 20 minutes creating a Bar Joist in 3D when you could do the same thing in 30 seconds by using the Joist3D program? Joist3D module includes the K Series Steel Bar Joist

Converts arc shapes created with multiple vectors into smooth polyline arcs.

Lisp allows continuing drawing Polyline, 2D polyline, 3D Polyline, MultiLine, or Line starting from the selected end.