This method does not use hub, just make angle at the end of
each strut and connect them together. Because it uses no hub, it is a cheaper
method to build a dome. However, there are a lot of issues with this method.
There are a lot of compound angle. The angle need to be cut
accurately. even just 1mm difference will add up to pushing frame apart and
form gap.
There are too much screws close together to hold the strut. Also
they are close to the end which is can break the strut.
Advantages:
- Cheaper way to build because it doesn’t use hub
Disadvantages:
- Very awkward to cover in any material except a fitted canvas
- Not structurally sound, screws can tear out
- Hard to disassemble, if you need to move it
Source:
https://www.youtube.com/watch?v=HBUVu9uXyPs
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