[Retracted] Art Design of Ceramic Sculpture Based on 3D Printing Technology and Electrochemistry

Table 2

Surface relative accuracy error (mm²).

Testing frequency	Experiment group a	Experiment group B	Experiment group C
1	0.624	1.521	3.380
2	0.656	2.149	2.715
3	0.343	1.934	2.660
4	0.354	2.305	2.547
5	0.537	1.463	2.947
6	0.565	2.457	3.445
Mean	0.512	1.947	2.970