Connect from Diffuser or Grill to HVAC Duct.

Create and Distribute HVAC Diffusers

Background color changer for OSNAPZ.

A seven-parameter similarity transformation calculator in 3D space.

Manage drawings with many layouts more easily in a palette.

Manage drawings with many layouts more easily in a palette

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

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

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.

Drawing Windows Colors changer for OSNAPZ.

Drawing Windows Colors changer for OSNAPZ.

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.

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.

Powerful spreadsheet app to batch edit attributes of blocks across multiple drawings.

Powerful spreadsheet app to batch edit attributes of blocks across multiple drawings.

TotalPurge is a powerful compact tool that allows you to quickly clear drawings of redundant graphic constructions, as well as to convert various types of objects to polylines.

TotalBoundary easily generates outlines of complex 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 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.

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.

3D PDF Maker for Autodesk® AutoCAD® allows you to create interactive 3D PDF documents connecting to AutoCAD, or by processing DWG and DXF files exported from AutoCAD.

A road design productivity tool to quickly visualize horizontal sight distance lines along a polyline alignment.

Drafting PPR Pipes & Fittings of Water Supply System Professionally and Dynamically ( Imperial & Metric ).