HVAC Round Duct 2D version is a quick input parametric 2D drafting program for the creation of HVAC Round Duct and Fittings. Also draws flexible duct run-outs to registers.

This routine makes perfect to select all Blocks or one by one on a Polyline and rotate them after Polyline direction. Also, you can change the Position of the Attributes up or down the Polyline.

Draw hatches on different slopes. Drawing objects such as Lines, Polylines, Spline, and Arc are considered.

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.

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.

Square off those crooked survey building outlines with a single mouse click.

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

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

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 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.

The ultimate solution in 3D. This app provides several commands to draw the Catenary curve in Autodesk® AutoCAD® utilizing different input parameters

The complete solution in 2D. This app provides several commands to draw the Catenary curve in Autodesk® AutoCAD® utilizing different input parameters

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

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

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

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.

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.

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.

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.

LevelSet measures the vertical distance from a defined origin point and draws level (elevation) marker with measured value.

ctpCAD is a palette with easy-to-read icons with customizable size and colors.

Manage drawings with many layouts more easily in a palette.

Manage drawings with many layouts more easily in a palette

Drawing Windows Colors changer for OSNAPZ.