Sure! Here’s a big list of 100 practical, creative, and industrial things you can do with a Schedule 40 PVC Cross (4-way fitting) — spanning plumbing, irrigation, hydroponics, DIY, furniture, and fun projects.

Plumbing, Irrigation & Water Systems

  1. Split water flow into four directions
  2. Connect four drainage lines
  3. Build a central junction in a drip irrigation system
  4. Connect garden hose extensions
  5. Create a multi-zone sprinkler hub
  6. Distribute flow in hydroponic nutrient systems
  7. Balance pressure between multiple irrigation lines
  8. Build a greywater distribution system
  9. Connect aquarium water return lines
  10. Make a central manifold for a pond filter system
  11. Create a rain collection diverter
  12. Connect roof downspout diverters
  13. Split water flow in aquaponics setups
  14. Build a DIY sump return manifold
  15. Make a water testing manifold for experiments
  16. Connect pool plumbing return lines
  17. Build a fish hatchery water distribution point
  18. Route pipes underground in four directions
  19. Create a low-pressure misting system
  20. Combine air and water lines for aeration systems

Hydroponics & Gardening

  1. Build hydroponic grow frame supports
  2. Create nutrient solution manifolds
  3. Make a drip feed cross-distributor
  4. Build plant trellis corners
  5. Create grow light support frames
  6. Assemble a hydroponic NFT system framework
  7. Build a vertical garden stand
  8. Construct tomato cages with PVC crosses
  9. Make modular planter box frames
  10. Create irrigation supports for raised garden beds
  11. Connect misting nozzles in an aeroponic system
  12. Build a compact hydroponic manifold hub
  13. Create a greenhouse support structure
  14. Build a seedling table with irrigation ports
  15. Make a rainwater redistribution system for planters

DIY Furniture & Storage

  1. Build a PVC shelving system
  2. Create a modular shoe rack
  3. Make a PVC workbench frame
  4. Assemble a garden hose reel frame
  5. Build a portable clothes drying rack
  6. Make a photography light stand
  7. Build a 3D cube display rack
  8. Create garage storage frames
  9. Construct a PVC laundry basket stand
  10. Make a kids’ toy organizer
  11. Build a small table or work surface frame
  12. Create a computer monitor riser
  13. Assemble a book or record display stand
  14. Make a small kitchen storage frame
  15. Create a towel rack for poolside use

Outdoor & Recreational Projects

  1. Build a camping chair frame
  2. Create a backyard canopy structure
  3. Assemble a tent frame or awning
  4. Build a portable shade canopy
  5. Make a soccer goal frame
  6. Construct a volleyball or badminton net stand
  7. Build a portable outdoor shower stand
  8. Create a hammock stand base
  9. Build a garden umbrella base
  10. Make a portable boat shade canopy

Pet & Animal Projects

  1. Build a small animal playpen frame
  2. Make a chicken feeder support
  3. Build a parrot play gym
  4. Create a rabbit hutch support frame
  5. Assemble a dog agility obstacle
  6. Make a birdbath water manifold
  7. Construct a reptile misting system hub
  8. Build a fish tank plumbing manifold
  9. Create a pet drying rack frame
  10. Make a hydroponic-style aquarium water return

Workshop, Hobby, & Utility Uses

  1. Build a PVC tool rack
  2. Create a paint-drying stand
  3. Assemble a camera tripod base
  4. Build a model display or diorama support
  5. Create an electronics testing frame
  6. Make a custom work light support
  7. Build a drone repair stand
  8. Construct a model rocket launch pad
  9. Create a 3D printer filament rack
  10. Make a shop vacuum hose splitter

Garage, Vehicle, & Marine Uses

  1. Build a car wash foam gun manifold
  2. Create a hose drying rack
  3. Make a kayak rack
  4. Build a fishing rod holder
  5. Construct a trailer light wiring support
  6. Create a marine bilge water splitter
  7. Build an RV fresh water distribution manifold
  8. Make a portable gas line test frame (for air pressure tests)
  9. Assemble a small engine cleaning manifold
  10. Build a bike repair or wash stand

Kids & Educational Projects

  1. Build a kids’ play cube
  2. Create a marble run frame
  3. Build a PVC water play table
  4. Make a science fair plumbing demo
  5. Create a DIY sprinkler toy
  6. Build a bubble machine frame
  7. Make a PVC mini carwash for toy cars
  8. Construct a STEM project water network
  9. Build a small robot chassis or structure
  10. Make a four-way airflow demonstration for classroom experiments
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