Merriam-Webster's Advanced Learner's Dictionary:
pattern
2pattern verb -terns; -terned; -tern·ing [+ obj]
1 : to make or design (something) so that it is similar to something else of the same type - usually used as (be) patterned + on or (US) after
• Her garden is patterned on [=modeled on] one she saw on her travels.
• The new program is patterned after an earlier one.
2 : to decorate or mark (something) with a design : to form a pattern on (something)
• Animals tracks patterned the mud.
pattern yourself on or US pattern yourself after : to try to be like and to behave like (someone you admire)
• When he started his own business, he patterned himself after [=modeled himself after] his father. [=he tried to do the things that his father would do]