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Import CAD geometry Pro

Upgrade to LPCAD Pro

Free
USD 0
  • Buildings up to 40 vertices
  • Drawing, exposure analysis and air terminal design
  • Save up to 3 projects in your account; export building files
  • PDF reports carry an LPCAD watermark
Pro
USD 20 / month
  • Complex building geometries (up to the 5,000-vertex analysis limit)
  • Smoother curved surfaces: round towers, domes and cones drawn with many more sides
  • Import AutoCAD 3-D geometry (DXF, STL, OBJ)
  • Protected volume view: the space no rolling sphere can reach, with your air terminals
  • Save up to 50 projects
  • PDF reports without the watermark, each with a report ID anyone can check at lpcad.app/verify
  • Everything in Free
  • Cancel any time
 The protected volume around the asymmetric towers, with air terminals on the roofs
NEW

See the protected volume

LPCAD can now show the protected volume: a see-through blue surface around the building and your air terminals. No rolling sphere can enter the space under it, so no strike can land there. Where the surface touches the building, the building is exposed.

After an analysis, press Protected volume above the 3-D view in Exposure Analysis, or at the top right of the view in Design air termination to include your rods and shielding wires.

Your account

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Delete my account

Your account and its details are deleted for good, and you are logged out. This can't be undone.

Buildings you exported (.txt files and PDF reports) stay on your computer. Payment records are kept as the Privacy Policy explains.

Save as a project

Saved projects are kept in your LPCAD account, so you can open them from any computer on the My projects page.

Building file

Save this as a .txt file. It opens in the Exposure Analysis tab like any building file, and its draw-sequence line lets the Draw tab reopen the drawing for editing.

Updated building file

Copy this text into your .txt file, replacing its contents. Only the settings lines changed; vertices, faces and comments are as they were.