Moves/copies/stretches object to the calculated intersection point of lines. The user would normally have to construct to define that point.

Allows changing the layer color of selected multiple objects without entering the layer manager.

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

Extends the picked end of an object (or last segment) to the picked destination point in a direction parallel to the object.

PlantReporter is a stand-alone application that enables creation of reports, lists, datasheets of plant project data from standard desktop and laptop computers.

Import & export objects, images, terrain meshes, and 3D models between Google Earth ™, SketchUp ™, and Autodesk® AutoCAD®.

Instantly toggle Model Space between a Dark Working View and a clean, lineweight-free Plot Style Preview. See your monochrome prints clearly in model space

PFiles is an efficient tool that helps clean up and process Autodesk® AutoCAD® files in bulk by auditing, purging, and managing XRefs.

An Autodesk® AutoCAD® tool for fast, precise 2D length and area measurements.

Recover lost Autodesk® AutoCAD® work by finding hidden entries—even when standard backups aren’t available.

Streamlines file and revision management in Autodesk® AutoCAD® with smart tools.

A fast, search and navigation tool for Autodesk® AutoCAD® sheet sets. Instantly find, filter, and manage sheets and drawings with ease.

Toggle instant presentation and edit modes in Autodesk® AutoCAD®. Focus your workflow and reduce layer clutter with a single click.

Fix scribe texts in steel plate dxf files.

Square off those crooked survey building outlines with a single mouse click.

Real-time quantity and cost estimating inside Autodesk® AutoCAD® and Autodesk® Civil 3D®. Map layers to rate library items and see construction costs update live as you design.

A simple 2D maze generation app. Can also be used to generate random hatch patterns.

A set of dynamic tools to work with Clothoid transition curves in Autodesk® AutoCAD®.

Morphs one polyline into another by generating intermediate polylines at arbitrary stages of the process.

Publish sheets in Sheet Sets and other drawings with layouts to files like PDF, DWF, PNG, or JPG/JPEG, and have the files created named as you want based on a naming formula that you specify.

Automatically update Autodesk® AutoCAD® title block attributes from a Microsoft Excel spreadsheet.

Automatically update Autodesk® AutoCAD® title block attributes from a Microsoft Excel spreadsheet.

Imports Excel spreadsheet into Autodesk® AutoCAD® and synchronize the table with the original Excel spreadsheet.

All items are parametric Python parts. Fittings, valves, and instruments are mostly adapted from the GF catalog, easy to adapt to other manufacturers.