It calculates flat (unfolded) sheet development of ducts, rectangle to round transitions, cylinders, cones, intersections, connections, Ys, elbows, etc. For HVAC, hoppers, cyclones, ducts, silos, etc.

Drafting drainage systems dynamically and professionally.

Generates 3D model from cross-sections and unfolds it into flat pattern.

To serve searching and replacing text in the Autodesk® AutoCAD® drawing, such as a 'Find' method in AutoCAD.

The Express Document Tab program is a utility program that makes it easy to switch between DWG drawings in Autodesk® AutoCAD®.

This app helps to export your drawing files' names which are of .dwg format to a text file.

Dynamic Block Distribution Program.

Professional Drainage Manholes Network Program

Dynamic and Generic Cable Tray Program.

Connect your Fire Sprinklers quickly, dynamically and professionally with this program.

Dynamic Wiring program

This program introduces two new 3DSolid edition commands: STRIM that subtracts overlaps without deleting the trimming solid, and SSPLIT that creates separate solids out of any overlapping portion.

DDCalc is an on screen graphical calculator within Autodesk® AutoCAD® that supports feet, inch & fractional numeric entries.

Pumps2D combines all three pumps, Base Mounted End Suction, Horizontal, Split Case, and Vertical In-Line all in one App. Individual Apps for each pump may be purchased separately.

Calculates the Total Length/Area of multiple objects of selected type(s). Inserts labels and specifications of the selected objects.

Replaces the object linked to a field preserving all the other field's settings.

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.

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

Shifts attributes in a block at a specified angle and distance.

Changes the case of text or attribute in a block.

Edit layer, color, rotation, height, style, justification, value, case, position, reverse, width factor, oblique angle, and vIsability of attributes by tag or ALL in selected blocks.

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! AI

This app can be used to select entities based on the properties of the selected sample entity. All supported properties of the entity will be displayed in a DCL box.