CUTTING EAFTEES 95 



EXERCISE 



1. What length must rafters, without a projection, be cut 

 for a shed 12 ft. wide, the roof to be 1 pitch ? 



2. What length must rafters, without a projection, be cut 

 for a shed 12 ft. wide, the roof to be ^ pitch ? 



3. What length must rafters, without a projection, be cut 

 for a roof 9 ft. wide, the roof to be pitch ? 



109. To cut a rafter pattern, without a projection, out of a 

 2 by 4 scantling, (1) lay off the length of the rafter on one 

 of the straight edges of the scantling ; (2) place the tongue 

 of the square with the point of the rise on the upper mark, 

 with the point of run (on the blade) upon the same edge of the 



Point of Run 

 RAFTER PATTERN WITHOUT PROJECTION FOR EAVES 



scantling ; (3) mark the position of the tongue of the square 

 for the upper cut ; (4) next place the point of the run (on the 

 blade) on the lower mark, with the point of the rise (on 

 the tongue) upon the same edge of the scantling ; (5) mark 

 the position of the blade for the lower cut. 



110. To cut a rafter pattern, with a projection for eaves, 

 from a 2 by 4 scantling, (1) draw a straight line along 

 the middle of the broad side of the scantling; (2) on this 

 line lay off the length of the rafter without the projection ; 

 (3) place the tongue of the square with the point of the 

 rise on the upper mark, with the point of the run (on the 

 blade) upon the line ; (4) mark the position of the tongue 



