EMF EDIT;
A new tarp can be ruined after several strong gusts of wind. We need ground ankers and 200m of high tensile rope for each dome to prevent this from happening again + improved plans on setting up the dome and adding a tarp so it's clear for newbies.

Dome

4.75cm radius

Dome-Buildup

[Buildup diagram]

Tools

17 wrench 17 ratchet extra long nut driver (needed)

Screws

17 nuts and bolts M10

M10 ring nut to hang things like https://www.bauhaus.info/ringmuttern/stabilit-ringmutter/p/10800114

Tarp

@TODO

Benches

Screws =

Woodscrews 4.5mm diameter 4.5cm long.

like http://i.ebayimg.com/thumbs/images/m/mDJf7KpPBwFp1AFym1DO9kQ/s-l225.jpg