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

Trim lines or polylines internally or externally, using a closed boundary as the edge.

Tools to unfold 3D model and create cutouts

Joins and cleans-up polylines and line entities to create closed boundaries and to close gaps not seen visibly.

Drafting drainage systems dynamically and professionally.

Creates multiple-types of 3D screw and/or fastener hardware with a variety of head types in Imperial and Metric units. It comes with built–in post-processing tools for block modifications.

This utility automatically aligns the locations of selected entities.

Reinforced concrete detailing software and automatic bar bending schedules.

Draws rectangular or polygonal Demolition Scope Boundaries using the ANSI31 Hatch Pattern.

Commands for creating and modifying tube or rod cylindrical break objects with optional hatching.

MeteorSpec LT is a toolkit for electrical designers. Analysis and design of 0.4 kV networks. Calculators for electricians and totally customizable tool for summarizing lengths and areas of polylines.

Create block name tags quickly.

Chop a 3D - solid into many pieces. Make ribs and stair-step.

Draw and label an elevation mark

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.

JTB XClipClean is an Xclip-cutter app for Autodesk® AutoCAD® to clean up xrefs or blocks that have been clipped so that the information that is outside the clip is removed.

JTB XClipClean is an Xclip-cutter app for Autodesk® AutoCAD® to clean up xrefs or blocks that have been clipped so that the information that is outside the clip is removed.

App to simplify layer override settings within viewports.

App to simplify layer override settings within viewports.

App to quickly copy a rectangular window of selected objects out from your drawing, and trim everything outside the window's edges. The result can be copied to the current drawing or to the clipboard.

App to quickly copy a rectangular window of selected objects out from your drawing, and trim everything outside the window's edges. The result can be copied to the current drawing or to the clipboard.

JTB Steel is an Add-in running inside Autodesk® AutoCAD®, adding powerful command features to help you draw simple and complex steelwork frames and details efficiently.

JTB Steel is an Add-in running inside Autodesk® AutoCAD®, adding powerful command features to help you draw simple and complex steelwork frames and details efficiently.