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If you’re looking for something to do on Tuesday, you could always watch some naked mud people building domes in the forest.

And that’s only one of by the Cinema Project as part of the 2011 Architecture and Design Festival tomorrow. The event is free (though donations are encouraged) at the AIA Portland headquarters at 403 N.W. 11th Ave. from 6 to 9 p.m.

The film screening will celebrate construction of the 1970s, which was influenced by counter-cultural movements and really far out aesthetics.

Here are the four films:

Building Dome in Riverbi Earth People’s Park (1970) by Videofreex
A video shot in Woodstock, N.Y., of a bunch of naked people building domes in the woods. The , invented by Buckminster Fuller, was popular at the time largely because it allowed anyone to construct a home – perfect for those living off the grid! This video also includes scenes of communal meals and kids playing in mud. Watch a preview .

The House Construction Home Movie (1972) by Richard Brick
A documentary that compresses five months of a home construction into 11 minutes, all to a banjo soundtrack by Eric Weissberg.

Dwellings (1975) by Rudolph Burckhardt
A short film in which Charles Simonds builds strange structures of tiny bricks for his “little people,” as astonished neighborhood kids look on.

Inflatables Illustrated (1971) by Ant Farm
The collective was an avant-garde design firm based in San Franciso in the late 1960s and early ’70s. Its project “Inflatables” documents the presentation of its inexpensive, portable shelters made of vinyl that anyone could make.

Get more info and details on later festival events at .