9. Pentagonal truss

Circle Truss Style

Coupler type	Main tube section	Section/Set	Circle Truss Style (R)
C=Conical coupler	A=2.0mm	1 meter half A quarter of 2 meters	S=Single Circle Truss
		4 meters quarter One eighth of 6 meters	H=Horizontal Flat Circle
	B=3.0mm	8 m eighth 9 meters one-twelfth	V=vertical Flat Circle
		10 meters one-twelfth 11 meters one-twelfth	U=apex Up Triangle Circle
B=Bolt coupler	C=4.0mm	12 meters one-twelfth	O=apex Out Triangle Circle
	D=5.0mm	The above parameters for the conventional specifications, can be customized according to customer requirements	I=Apex In Triangle Circle
			Q=Square Circle Truss
	E=6.0mm

Examples