The state of Michigan does not specify the required size of the professional engineer stamp. We offer the Michigan professional engineer stamp in one size; 1 3/4 inches.
In case you have any questions on the Michigan professional engineer stamp requirements or any other regulatory questions, we have included the Michigan Engineer boards contact information below for your convenience.
Michigan State Board:
Department of Licensing and Regulatory Affairs
P.O. Box 30018
Lansing, MI 48909