Table 1.

The geometry of the prepared samples and their measured and calculated Poisson’s ratios.

Sample #	Unit Cell Dimensions (mm)			Poisson’s Ratio (Experiment)		Poisson’s Ratio (Numerical Model)
	L	W	T	vxy	vxz	vxy	vxz
1	52.18	39.33	26.85	2.28	−3.96	1.76	−3.78
2	52.30	38.78	17.16	1.82	−9.29	1.62	−8.77
3	17.16	38.78	52.30	0.19	−0.16	0.20	−0.11
4	26.85	39.33	52.18	0.53	−0.29	0.47	−0.27
5	66.10	39.51	22.14	2.34	−10.54	2.80	−8.91
6	22.14	39.51	66.10	0.22	−0.096	0.314	−0.112
7	67.67	39.39	16.09	2.54	−15.22	2.95	−17.69
8	16.09	39.39	67.67	0.17	−0.066	0.17	−0.057
9	59.94	46.03	42.07	1.61	−2.27	1.70	−2.03
10	42.07	46.03	59.94	0.70	−0.48	0.84	−0.49
11	33.38	33.75	22.18	0.97	−2.50	0.98	−2.265
12	22.18	33.75	33.38	0.39	−0.40	0.43	−0.44
13	29.00	33.60	30.87	0.64	−0.81	0.75	−0.88
14	31.33	31.33	31.33	0.99	−1.02	1	−1
15	31.33	31.33	31.33	0.31	0.32	0.333	0.333

*All the samples of the unit cell - except Sample #15 - were prepared such that the struts belong to the xz − plane were removed. This achieved a high contrast between $E_1$ and $E_2$ (i.e., $E_1/E_2\to \infty$).