App for Autodesk® AutoCAD® makes it easy to create or draw a catenary curve as a polyline by specifying the start and end point and the length/immediate point/sag and optionally a diameter(width).

Drawing Windows Colors changer for OSNAPZ.

Manage drawings with many layouts more easily in a palette

Quickly renumber and insert the total number to the sheet set to show them up in fields [Sheet number]/[Total Number] in your title block.

JTB Rebar is a BIM-like Rebar Callout - Automatic Rebar Table - Dynamic Beam Detailing app for Autodesk® AutoCAD®.

Batch and script utility for processing multiple Autodesk® AutoCAD® drawings.

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.

JTB TimberTool makes it easy to convert closed polylines into mass elements and makes the bounding box width and depth correct for scheduling purposes.

App to quickly copy a rectangular window of selected objects out from your drawing, and trim everything outside the window's edges. The result can be copied to the current drawing or to the clipboard.

You can insert text bubbles to lines, curves, or draw leaders with it, or quickly make a schedule from text bubbles and/or other blocks.

JTB Sheet Set Creator is an app for Autodesk® AutoCAD® that creates new Sheet Sets and Sheets (drawings) based on an Excel template for usage in Sheet Set Manager.

An app to batch change or fix file paths and names of external references in drawings. Supports Xrefs, Datalinks, Raster Images, PDFs, DWFs, and DGNs.

Instantly toggle Model Space between a Dark Working View and a clean, lineweight-free Plot Style Preview. See your monochrome prints clearly in model space

Toggle instant presentation and edit modes in Autodesk® AutoCAD®. Focus your workflow and reduce layer clutter with a single click.

Streamlines file and revision management in Autodesk® AutoCAD® with smart tools.

Batch creates AutoCAD® Block instances of multiple types with attributes/dynamic props from an Excel worksheet. Data required for positioning block-ins is also retrieved from the pre-selected range.

Block attributes, custom props., Field codes, positions ↔ Excel worksheet. Multiple files, complicated blocks with Visibility states, Block Properties Tables, and Lookup tables are supported

SteelPLUS™ Structural Shapes 2D/3D includes W-Shapes, Channels, Single/Double Angles, Square & Rectangular Tubing, Pipes, M, S, HP Shapes, and Tees as listed in the AISC / CISC Steel Manual.

AutoCAD® Block ↔ Excel® data exchange, batch Block attribute creation, alignment station offset inquiry; find and numbering intersections of 2 groups, Multi files advanced Batch Plot 6-in-1 App.

Create reinforcement for irregularly shaped slabs, including area reinforcement layout, cross-section sketching, dimensioning, annotating, and quantity takeoff... Imperial & Metric systems supported.

Software to draw reinforcement bars (rebar) for concrete.

GeoDin® Ground is a plugin developed by GeoDin® for civil and design engineers to see below the ground in Autodesk® Civil 3D®.

Creating a detailed report comparing points, coordinates, and elevations in an Excel file

Program for device modeling, dimensioning and simulation