This pack can help you to create chamfer and fillet for all selected polylines

Create shortcuts/bookmark to the xref files and set the properties of xref, so that later these xref's can be attached easily.

Draw your pipe system express.

Modify some block names quickly

Create block name tags quickly.

Draw cable ladder/tray/trunking quickly.

BlackBox AutoPublish for Autodesk® AutoCAD® allows users to AUTOPUBLISH only the drawing(s) they want.

BlackBox Right Click Hatch for Autodesk® AutoCAD® allows the user to quickly hatch one or more selected, closed Curve entities, from the context (right click) menu.

BlackBox ViewportGrip for Autodesk® AutoCAD® allows users to choose how the Centroid & Viewport Grips behave.

Right Click Rename for AutoCAD® allows a user to select a single Entity, and contextually rename its Entity-specific properties, as supported by the RENAME, or RENAME Commands, from the context (right

BlackBox AutoPurgeReg for Autodesk® AutoCAD® allows users to Automatically Purge Registry Applications (RegApps) at drawing Open, and Save.

Quickly trace the boundary of selected objects. From selected objects(Line, Arc, Polyline), the app will trace and find out Closed Polyline in a second.

Inserting and Editing RasterImage is simpler than ever!

Quickly divide a closed polyline into smaller parts. A special tool for planning works.

Copy and Paste the group(s) between two drawings. Normally, when copying object(s) in group to another drawing, the group information will be removed. This tool will help you in this situation

Animate history of drawing objects.

Convert raster images to internal Autodesk® AutoCAD® blocks. Insert QR codes into your drawing.

Draws normal (perpendicular) vectors of 3D Faces, finds backfaces, flips 3D Faces (front/backface).

Controlling dyn.block + constraint parameters and object properties from Microsoft® Excel tables

Change Multiple Text Content by window selection.

Convert Wavefront Technologies OBJ (or .OBJ) files to Mesh3D entities.

A routine that puts the XY model space coordinates as text in the 4 corners of layout viewports.

Animation GIF Maker is a utility that makes it easy to animated-gif on the Autodesk® AutoCAD® working screen.

This application will allow you to create different kinds of doors from "single, double panel, bifold communicating pass through and so on."