TD017

Attribute: VOLFORM

code		description
1		Cylinder: d1=diameter, d2=length, v=pi/4*d1*d1*d2.
2		Rectangular paralleloid: d1,d2,d3 are lentghs of sides, v=d1*d2*d3.
3		Frustrum of cone: d1=large end diam, d2=small end diam, d3=length, v=pi/3*d3*(d1*d1/4 + d1*d2/2 + d2*d2/4).
4		Triangular piece: d1=log side of triangle,d2 = base of triangle, d3=thichness of piece, v=a*d3
5		Sector of circle: v=d1*d1*(d2/360)*d3.
6		Donut shape; circle with hollow