Geodesic Dome

low cost 6.5m diameter dome of slatted frames combined with different LED pieces

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This project is all about a low cost dome, build up in 4 hours and can be used for art, workshops, or chilling...

This Project has mainly three parts:

  • the dome.
  • White pvc cover for the dome for projections and rain protection (work in progress)
  • A controller -Box
  • WS2811 Strips


The vision of the dome is to have a fully interactive media art installation where the visitors controls with his movements the light and sound. But this is still far beyond and work in progress.

The dome

It is made of slated frames. If you can upcycle the frames the only costs are the screws -> Yeai.

The frames are connected with screws and nothing else. The dome lasts the weight of at least 3 people climbing on top of it. It is build up in 3-6 hours and fits in a really small car.

The controller Box

The controller Box consists of

  • Arduino AtMega 2560
  • An old modified equalizer
  • Some Buttons
  • LCD-Display
  • 500W Power-Supply
  • XLR-Box for re-supply of power
  • and a Wooden Box

has two modes: manual mode and Art-Net mode.

Art-Net is a protocol to send DMX-Data over the network, so more or less, this is a Art-Net Ws2811/ws2812 converter.

For the manual mode there are several programs selectable, which still can be modified with the sliders to control speed or colours.

Here is the code for the ArtNet Ws2812 and here the one for the controller-box.

WS2811 Strips / Art pieces

We had two more advanced Art installations.

One was as screen for mapping the visuals on a festival. It included two of the controller boxes, so the VisualArtist (VJ) was able to control the 40m LED-Strips added to the frames.

The other one was jellyfishs playing with light like a swarm.

  • 405 × latches in 6 different sizes (85cm/78cm/90,5cm/80,5cm/69,2cm/88cm)
  • 62 × nuts, bolts
  • 100 × m WS2811 LED-Strip
  • 2 × Arduino Mega

  • First try with an interactive floor.

    nanu06/01/2015 at 19:09 0 comments

    It is possible to measure the pressure piezo- element and a zener-diode. In first experiments it worked quite well.

    The idea is to use a piezo element every 25 cm makes more or less 140 piezos. To get the data i used a MCP3008 a 8 channel analog spi interface. Then the floor looks like that:

    To get it well i need 2 thin and strong layers - one underneath the sensor and one above.

    In this test case I used acrylic glass with 8 sensors and one mcp3008. The problem is the weight and the cost of acrylic glass. Further ideas welcome.

View project log

  • 1
    Step 1

    Get at least 405 latches. For sure some will break so get more.

    Ours have a thickness of 1cm an most of them came from a slatted frame "Lönset" made out of birch made by a big swedish company.

    Cut them and paint every length in a different colour:

    • 35 x 69,2 cm - orange
    • 65 x 80,5 cm - red
    • 35 x 90,5 cm - lime green
    • 50 x 78,0 cm - dark green
    • 70 x 88,0 cm - blue
    • 170 x 85,0 cm - without colour

    Or calculate them to fit your needs with the easy-cheesy dome calcultor.

  • 2
    Step 2

    2 times per latch: drill a hole at 2,8 cm in the middle at the end.

  • 3
    Step 3

    Build up the dome.

    The best is with 4-6 people.

    • one person understands the plan and sorts the latches on the place - row by row. If one row is sorted, place the screws.
    • 2 -4 people screwing all together. The order of the latches is important to balance the pressure.
      • First the one coming down.
      • then the two horizontal ones
      • and finally the ones going down.
    • 1 person fixing the screw

View all 5 instructions

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