It calculates flat (unfolded) sheet development of ducts, rectangle to round transitions, cylinders, cones, intersections, connections, Ys, elbows, etc. For HVAC, hoppers, cyclones, ducts, silos, etc.

Professional Drainage Manholes Network Program

This app can be used to select entities based on the properties of the selected sample entity. All supported properties of the entity will be displayed in a DCL box.

Polyhedral Mesh to Solid is for that difficult Mesh, which won’t convert to 3D Solids because of self-intersecting faces etc. It also locates the Center of Mass for a single or a group of objects.

Commands for moving or copying objects in different UCS that are set dynamically. Finds the intersection points of lines with a plane, cylinder, cone, or sphere. Draws a chain sprocket and spur gears

Manage drawings with many layouts more easily in a palette.

Manage drawings with many layouts more easily in a palette

Drawing Windows Colors changer for OSNAPZ.

Drawing Windows Colors changer for OSNAPZ.

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

Tetris version for Autodesk® AutoCAD®

For multiple monitor setups. Maximize Application will cause the application to span all displays. Plus tools for working across multiple monitors.

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

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

Secure Remote 3D App Streaming Solution (on-premise or cloud), optimized for NVIDIA Quadro®. Remote access 3D workstations from any device (mobile + PC/MAC/Chrome).

Pipefection allows you to quickly and efficiently size the pipelines such as heating-cooling, fire-fighting, service water and wastewater using your pipe sizing tables and CAD settings.

OneNote Add-in for Autodesk® AutoCAD®. Take notes right alongside your drawings!

Manage Autodesk® Navisworks® Clashes in Autodesk® AutoCAD®.

Manage Autodesk® Navisworks® Clashes in Autodesk® AutoCAD®.

AutoFEM Analysis provides the free software solution of finite element analysis for Autodesk® AutoCAD® 2013 - 2020. The system is fully integrated into AutoCAD 3D environment.

AutoFEM Analysis Tutorial allows you to learn the finite-element analysis of mechanical structures. It can be used separately or together with AutoFEM Analysis - finite-element analysis software.