and something else which has a power cord (this is mainly to make sure they actually build something, not just churn out a design they found online). There has to be a hinge somewhere in your object. The object contains an electrical circuit (doesn't have to be a microcontroller, a sim...
FIG. 13 illustrates a variable-angle bracket 170 which has two rigid flanges 152, and a flexible hinge area 172, joining the two panels 152, and which can be flexed to any included angle of from about 15 degrees to about 175 degrees. Bracket 170 is used to join together building panels...