Draws chain sprockets. Includes geometric calculations to ensure smooth engagement between the teeth and the chain.

JTB XClipClean is an Xclip-cutter app for Autodesk® AutoCAD® to clean up xrefs or blocks that have been clipped so that the information that is outside the clip is removed.

JTB Steel is an Add-in running inside Autodesk® AutoCAD®, adding powerful command features to help you draw simple and complex steelwork frames and details efficiently.

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.

This app can be used with Autodesk® AutoCAD® to create Spirograph (TM) like patterns. Turn AutoCAD into an educational toy that will provide hours of fun for the whole family!

JTB Spot Elevation is an app to insert surveying Spot Elevation blocks and manage them on an Edit Properties spreadsheet.

Inserts Text Bubbles at end of lines, arcs, polylines, splines, and leaders or at any other location of your choice. Renumber the text bubbles quickly as needed.

Bronze 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.

Bronze Valves 2D allows the user to place a valve in Plan (side) View, Top View, and End View. Also these valves are realistic looking.

PVC 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. Includes 117 flanged and socket valves.

Generate 3D Handrail Model and BOM table with detail dimensions of pipe and bent pipe fitting.

Tools to unfold 3D paper model

Fix scribe texts in steel plate dxf files.

Populate polyline areas to block's attributes.

Convert model space title blocks to layouts

DWG/DXF Compare plugin compares two drawing files and the comparison result is shown in a new Autodesk® AutoCAD® window.

PVC Valves 2D allows the user to place valves in various 2D views by selecting one of the toggles on the dialog. Includes 117 flanged and socket valves.

Sums lengths/areas and copies them to the clipboard.

Selects all objects of the same layer / block name / object type / color as the selected object(s).

Program to easily change the layer name or name of the selected block.

Inserts text from the clipboard to the selected TEXT, MTEXT, MULTILEADER, ATTRIBUTE, or ATTRIBUTEDEFINITION TAG.

Searches for text content given by the user and selects matching objects.

Filters selected objects by desired object types, layers, colors, blocks, linetypes, lineweights, linetypescales, or text content of MTEXT and TEXT objects.

It creates a new layer with the same properties as the layer of the selected object.