Cocoon with CocoonMaker is an Advance Steel plugin, which allows to convert unknown solids to Advance Steel sections. It calculates the engineering moments and tries to find the best matching section.

GRAITEC Steel Structure Designer is a powerful App for Autodesk® Advance Steel® & GRAITEC Advance Design that lets you create steel frame buildings of any shape and size in minutes.

Steel connection design reinvented - any topology, any loading, in minutes. Check according to Eurocode/AISC and other codes. Import from Advance Steel®, Revit® and Robot™ Structural Analysis.

Any command including prompts at your fingertips!

Convert all raster images in drawing(s) to OLE objects, it's like binding external image references.

Grid Line Pro add-in draws customizable grid lines with automatic labeling.

Use PDFin to open and edit PDF drawings within Autodesk® AutoCAD® and other Autodesk programs. Ideal for older versions without built-in PDF support. Trial with watermark.

Convert Autodesk® Revit® Sheets to Autodesk® AutoCAD® DWG files - Compatible with Canadian DND CAD Standards (version 2.3) and DND Standards Checker version 1.1.6

This app allows you to specify a block that will change its display when plotted to indicate whether the drawing had a valid digital signature at the time of plotting. 30-day trial.