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vinit
vtrihedron t1

vpoint p11 2 22 0
vpoint p12 7 29 0
vdimension dim1 -length -plane xoy -shapes p11 p12
vdimparam dim1 -flyout 1 -arrowlength 0.75 -arrow internal -label hcenter

vpoint p21 22 22 0
vpoint p22 27 29 0
vdimension dim2 -length -plane xoy -shapes p21 p22
vdimparam dim2 -flyout 1 -arrowlength 0.75 -arrow internal -label hcenter
vlengthparam dim2 -direction -1 -1 1

vpoint p31 2 2 0
vpoint p32 7 9 0
vdimension dim3 -length -plane xoy -shapes p31 p32
vdimparam dim3 -flyout 1 -arrowlength 0.75 -arrow internal -label hcenter
vlengthparam dim3 -direction -1 0 0

vpoint p41 22 2 0
vpoint p42 27 9 0
vdimension dim4 -length -plane xoy -shapes p41 p42
vdimparam dim4 -flyout 1 -arrowlength 0.75 -arrow internal -label hcenter
vlengthparam dim4 -direction 0 -1 0

vtop
vfit
vzoom 0.75

