image = Truss-spacers.scad.png
|designers = Phil and RJ Jergenson, [[User:Tim|Timothy Schmidt]]
|date ======
|vitamins ======
|materials ======
|transformations ======
|lifecycles ======
|parts = [[Frames]], [[Nuts]], [[Bolts]], [[End caps]]
|techniques = [[Bolting]], [[Triangles]]
|tools = [[Wrenches]]
|git ======
|files ======
|suppliers ======
|reversible = true
Techniques
Introduction
A truss consists of frames connected at joints. Trusses are typically composed of triangles because of the structural stability of that shape and design.
Challenges
A triangle is the simplest geometric figure that will not change shape when the lengths of the sides are fixed. In comparison, both the angles and the lengths of a four-sided figure must be fixed for it to retain its shape.
Approaches
<gallery>
Truss-simple.scad.png|Simple truss
Truss-spacers.scad.png|Truss with spacers or stacked washers
Truss-craftsman.scad.png|Truss with tri joints
</gallery>
2, 3, 4, 5 wide for similar function as 2040, 2060, 2080, 20100 extrusions. bolted across in an alternating diamond pattern for widths > 3 and bolt-length of 3.
References