Pipe Network Generator builds complete pipe systems inside Blender: draw a curve, or place a start and an end, and you get real pipes with elbows, tees, flanges, valves, gauges, supports and insulation, rebuilt live while you edit the route or drag a slider.

It covers the pipes you see in factories, boiler rooms, basements, streets and spaceships: welded and flanged process lines, steam lines with aluminium cladding, chilled water with PVC jackets, cryogenic lines with frost, gas, compressed air, fire sprinkler mains with grooved couplings, copper plumbing, PVC and CPVC, cast iron soil stacks, black iron gas, water mains, sewers, HDPE pipelines and concrete culverts. The same tool makes HVAC ductwork: rectangular, spiral, flat oval and flexible ducts with dampers, diffusers, grilles and air handlers. For stylized worlds there are steampunk brass, sci-fi alloy and abandoned, rusty plants.

Pick one of 30 pipe systems from a picture gallery, then change anything, or press Surprise Me for a new one.

Four ways to lay pipes

• Draw: pipes follow any curve you draw and edit; every spline is a run, and runs that end on another pipe become tees
• A to B: move two targets and the pipe routes itself with clean orthogonal bends, up, over and down
• Wall: fill a whole wall with headers, risers, drops and valves in one click; a new Seed gives a new wall
• Pipe Rack: a steel rack with several levels of pipes, drops and expansion loops
• Bundles of parallel pipes side by side or stacked, with mixed sizes and services

Drag it, the pipe follows
Move the end of an A-to-B run and the pipe re-routes live with new bends, supports and valves. One click on Service gives it new colors.

30 pipe systems
Process lines, steam, gas, fire mains, copper, PVC and cast iron plumbing, HVAC ducts, steampunk and sci-fi.

A whole wall in one click
Wall mode fills a wall with headers, risers, drops, valves and gauges. Every Seed is a new layout.

From new to abandoned
Dirt, rust, drip streaks and chipped paint on sliders, on top of physically based materials.

Features

• 18 pipe materials, 3 cross sections, 13 joint types (welded, flanged, threaded, socket, grooved, bell and spigot, no-hub, fusion, sanitary clamp, duct joints, riveted and more) and 5 bend styles
• 9 valve types with handwheels, levers, gearboxes or actuators, plus gauges, strainers, unions, bellows, drains and reducers
• 17 ends: caps, flanges, wall sleeves, tanks, vessels, pumps, sprinklers, diffusers, grilles, vent caps, taps, manholes and air handlers
• 9 support types: clevis hangers, trapezes, pipe shoes, stanchions, U-bolts, wall brackets, clips, duct straps and sleepers
• Insulation and cladding, color bands, pipe markers with your own text and flow arrows
• Service color coding, dirt, rust, drips, chipped paint, condensation and frost
• Game-ready: real scale, UVs, named parts, PBR materials, three detail levels, Make LODs and Convert to Mesh
• Works in Cycles and EEVEE

Requires Blender 4.2 or newer. Tested on Blender 4.2, 4.5 and 5.2 LTS.