Final answer:
The exact dimensions for the push through test sample piece are not specified, but one should refer to industry standards or experiment guidelines for the correct size.
Step-by-step explanation:
The dimensions of the push through test sample piece are not specified in the question or the provided reference information. However, standard sizes for test samples like the push through test often vary by industry standards or by experiment needs. It's important to refer to the specific testing standards or guidelines that are relevant to the material or product being tested to determine the appropriate sample dimensions. The provided reference information mentions measurements such as 1 mm, which relates to precision in measuring objects, but it does not give a direct answer to the question regarding sample size for a push through test.