Curve drawing and measuring tool
A curve and tool technology, applied in the field of teaching drawing tools, can solve the problem of no tools for drawing curves, and achieve the effects of simple structure, convenient operation, and enhanced perceptual cognition.
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[0016] figure 1 It is the state of drawing; when drawing, determine the position of the center hole 2 of the circle in the circle 1; according to the needs of drawing, fix the fixed point 3 at the top of the curve, fix the fixed point 4 at the left end of the curve, and fix the fixed point at the right end of the curve 5. Fix the left auxiliary fixed point 6, fix the right auxiliary fixed point 7, and fix five points in total; when fixing the above five points, adjust the top fixed slide bar 13 in the top fixed slideway 8, which is embedded in the fixed slideway 8. It is very convenient to slide out to the outside of the circle, but it will be stuck and fixed when sliding to the outside of the circle. You need to pinch the upper end point 22 of the slide bar with your hands to adjust the length of the fixed slide bar 13. Similarly, in the middle of the left fixed slideway 9 Adjust the fixed slide bar 14, adjust the fixed slide bar 15 in t...
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