Add-onsAdd-on for BimCraft

Fire sprinklers

Sprinkler heads on a grid in a room by hazard class, the branch lines and cross main that feed them, and a density/area hydraulic calculation (Hazen-Williams, K-factor heads, hose allowance, a water-supply test). The design criteria are your table; the defaults are labelled for professional review. A design aid, not an approval.

What it is allowed to do

  • Adds commands
  • Adds a panel section
  • Opens or saves its own file types
  • Keeps its own settings in this browser

An add-on runs inside the app with the app's own access to the page. That is why only add-ons the CadCraft team has read, reviewed and signed can be added from here; the apps check the signature again before they load one.

Add

Adding needs JavaScript in this browser. You can still download the signed package.

Add-ons you added work in the browser apps on this computer, offline too. They load when the app starts: reload an open app after adding one. Turn one off any time in the app's Settings, under General. The desktop app will add from here too; that is not built yet.

Add Fire sprinklers 0.8.0?

It will be able to:

  • Adds commands
  • Adds a panel section
  • Opens or saves its own file types
  • Keeps its own settings in this browser

Signed by CadCraft (key cc-addons-2026-1). License Apache-2.0.

Versions

VersionPublishedStateSize
0.8.0 November 9, 2026 Reviewed and signed 252 KB