y Fig. 38. This being a symmetri-cal core, one half box will be enough. To make thiswe proceed as follows: Take a piece of straight-grainedpine, of such a width that after the semicircular groove SPECIAL TYPES OF PATTERNS 71 forming the body of the box is cut out, there will be leftabout… … Fig. 38. Fig. 39. depth of the groove will, of course, be one and one-eighth inches, and there should be at least seven-eighthsinch thickness of wood below this, which will make therequired block 2x3^ inches and five inches long.The block should be planed on all sides; one of the widesides (for the…
Patternmaking
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