HydraStorm
Storm Drain Design for Civil 3D

HydraStorm

Civil 3D plugin for storm drain hydraulic design. Design pipe networks with HGL/EGL analysis, junction loss calculations, rational method hydrology, and automatic pipe sizing — all without leaving Civil 3D.

  • Real-time HGL/EGL analysis with interactive profile view
  • Junction loss calculations (HEC-22, iSWM, custom)
  • Rational method hydrology with NOAA Atlas 14 IDF curves
  • Automatic pipe sizing to meet design criteria
  • Design standards library for local municipality criteria
  • Excel/CSV export & HydraLink integration
Learn More Documentation Starting at $450/yr
AutoStyle Pro
Presentation Rendering for AutoCAD

AutoStyle Pro

Turn a finished AutoCAD layout into a presentation drawing. The plugin exports the sheet you would plot; AutoStyle Studio renders it with materials, textures, plan symbols and hand-drawn media, then exports at full sheet size — without redrawing anything.

  • Exports paper space plus viewport contents from AutoCAD
  • Render looks from CAD-faithful linework to marker and watercolor
  • Materials that tell every look what a surface is
  • Automatic mapping from hatch, linetype and block names
  • Symbol library, text and leaders, north arrow and scale bar
  • PNG, JPEG & PDF export at the drawing’s real paper size
Learn More Documentation Starting at $200/yr

System Requirements

Designed for professional engineering workstations.

HydraLink

  • OS: Windows 10 or later (64-bit)
  • RAM: 4 GB minimum, 8 GB recommended
  • Disk: 250 MB free space
  • Internet: Required for license activation and map tiles

HydraStorm

  • Host: Autodesk Civil 3D 2025 or later
  • OS: Windows 10 or later (64-bit)
  • RAM: 8 GB minimum, 16 GB recommended
  • Internet: Required for license activation and NOAA data

AutoStyle Pro

  • Studio: Windows 10 or 11 (64-bit), self-contained
  • Plugin: AutoCAD or Civil 3D 2025 or later
  • RAM: 8 GB minimum, 16 GB recommended
  • Internet: Required for license activation

Ready to Get Started?

Try our software free for 7 days. No credit card required.

Start Free Trial View Pricing