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

Change the color of all attributes in selected blocks.

Changes the case of text or attribute in a block.

Inserts an attributed cable reference block and trims around it.

This routine adds (SUM) the numerical values of attributes, text, and dimensions, then places a text line with the result.

Attach, delete, edit, display linked data as mtext.

Simulate fillets on 3D polylines.

Joist2K2D Steel Joist & Girder Series module includes the K, VS, LH and DLH Series and Joist Girders 2D Version. Easily create a wall section with a partial bar joist to the right or left side.

Modify values of multiple attributes across a set of drawings.

Why spend 15 to 20 minutes creating a Bar Joist when you could do the same thing in 30 seconds by using the Joist2K program? Joist2K module includes the K, VS, LH and DLH Series and Joist Girders.

Import items from another drawing into the current drawing.

Manipulate the background mask properties of a selection of MText and MLeaders.

Create a textbox whose size and position is automatically updated following modification to an associated Text or MText object.

Iron Valves 2D allows the user to easily place valves in various 2D views by selecting one of the toggles on the dialog. Also these valves are realistic looking.

Convert a nested block into a primary block.

Change the base point position for a selected block.

Iron Valves 3D allows the user, without having to change the UCS, to easily place valves in various 3D views by selecting one of the toggles on the dialog. Also, these valves are realistic-looking.

Dynamically align text to a selected curve.

Virtual Tablet Navigator (VTN) is an add-on AutoLISP application using DCL to bring Autodesk® AutoCAD® physical Tablet Menu commands virtually onto the graphics screen.

SoftDraft Light Steel Framing Members 2K is a powerful 2D / 3D tool that allows you to easily select and place light steel framing members in your 2D wall sections and details and 3D Models.

Tanks3D includes five vertical tank styles and three horizontal vessel types. The program has a simple dialog box interface allowing the user to specify the dimensions.