This app provides functionality to develop stream channel 3D polylines (break lines) to create a stream channel surface for stream channel design/restoration projects.

Cadsum STL Exporter for Autodesk® AutoCAD® exports AutoCAD models to STL files in Binary (with color) and ASCII format.

Cadsum STL Exporter for Autodesk® AutoCAD® exports AutoCAD models to STL files in Binary(with color) and ASCII format.

Cadsum FBX Exporter for Autodesk® AutoCAD® exports AutoCAD drawing to FBX file format.

Cadsum FBX Exporter for Autodesk® AutoCAD® exports AutoCAD drawing to FBX file format.

Steel3D-MAISC creates a structural steel shape from MAISC database as a 3D solid and can be placed as a column or beams by selecting multiple lines in 3D model space.

KeySurfaceFix allows you to find and repair holes in an Autodesk® Civil 3D® surface so that your surface more accurately reflects the existing site and design proposals.

Structural Steel Shapes created as a 3D solid can be placed as a column or beams by selecting multiple lines in 3D model space. Shapes are created from the DIN Steel Database.

OBJ Importer imports your OBJ file to Autodesk® AutoCAD®. The file format is open and has been adopted by other 3D graphics application vendors.

Automates the process of appending Autodesk® AutoCAD® polylines to existing Autodesk® Civil 3D® alignments, allowing polyline translations and checking/correcting sub-entity direction.

Draws markers at user selected locations along Autodesk® Civil 3D® Alignments, Profile Views, Sample Lines and Section Views.

Helps automate the conversion of a regular 2D polyline to an Autodesk® Civil 3D® profile and apply it to an existing Civil 3D alignment.

Label multiple Alignments.

Create Corridor for all Autodesk® Civil 3D® Alignments in single click.

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

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.

Structural Steel Shapes created as a 2D polyline in Plan, Section, or Elevation views. Shapes are created from the Chinese Steel Database.

Steel2D-DIN creates a variety of Steel Shapes in 2D views, Plan, Section and Elevation views based on DIN database. Create simple or complex shapes made from a single non-segmented polyline.

“JSON Exporter For Autodesk® AutoCAD®” exports the model to a JSON (.json) file.

JSON Exporter For Autodesk® AutoCAD® exports the model to a JSON (.json) file.

WebGL Exporter For AutoCAD exports your model to an HTML file. You can then view your model in the browser without any external application/plugin installation, manipulate the view and share easily.

WebGL Exporter For AutoCAD exports your model to an HTML file. You can then view your model in the browser without any external application/plugin installation, manipulate the view and share easily.

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

Replaces the last profile entity with the exact same profile entity. This provides a method to remove the extended portion of a profile after the extension.