This professional kit can be put together in 10 minutes and is suitable for various sizes pyramids. You have to buy yourself: copper water pipe or galvanized steel (heating) pipe of 15 mm thickness, available in DIY stores. Do not use aluminum tubes for a pyramid.
The package contents:
4 flat connection angles for the bottom
1 connector for the top
Hex wrench
Compass
Instructions for various pyramid heights of 18.4 cm / 30.5 cm / 76.2 cm / 112 cm / 193 cm, etc.