Import and Insert HVAC blocks to current drawing with respect to the selected scale.

Extra tools for Xref such as open Xref read-only, Match view and layer properties between the drawings or viewports, disable Xref to be snappable or selectable, reset Xref layer and more.

Smart Tag Arsenal Tools to create dynamic tags and customized Autodesk® AutoCAD® entities. These tags can contain any type of information, including name, price, quantity, date, period etc.

Align and distribute objects in Autodesk® AutoCAD®.

Watson6.0 by Watsonlisp.com is an artificial intelligence referencing agent written in autolisp and visual basic. Watson finds detail drawings by text and attributes content!

Copy one text entity value to another text entity.

Rotates all attributes in blocks to a rotation angle

Set the named attribute values of all selected blocks to the current date.

Sets the Layer of all attributes in selected blocks

Scales picked entities by reference and new in a loop until the command is exited.

Locks/Unlocks all view-ports. The program steps through each paper space tab and model space tab and locks or unlocks the viewports.

Changes selected entities linetypes to a targeted entity's linetype

These autolisp programs write, copy and read extended entity data for nesting block references in entitys. It allows an association of entitys with a blocks.

Create attributed matchline edges by selecting 2 points.

Creates duct lines by length, width and depth, and type, at an insertion point, round or square. Creates duct lines by length, width and depth at an insertion point, round or square.

Changes attribute heights in blocks

Changes the case of text or attribute in a block.

Inserts an attributed cable reference block and trims around it.

Animate history of drawing objects.

Time-tracking for Autodesk® AutoCAD® - report time spent on editing DWG. See more information on http://www.cadstudio.cz/jobtime.

Force layer reactor for Autodesk® AutoCAD® automatically place objects in predefined layers.

DWGsync is a .NET utility for synchronized zoom/pan of multiple DWGs.

Make sure you don't lose any DWG content even when standard Save or AutoSave fails.

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