Feel free to download Architecture Design material from the AMASE methodology (IT Architecture and Enterprise Architecture)
AMASE Product and Service Architecture material
Read the “Predictive Product Delivery” article: https://yannickhuchard.com/actually-a-way-of-shipping-effectively-and-consistently-successful-product-features/
Product and Service Architecture Canvas
System Architecture – Design Templates
IT Application Architecture Design
Each and every application are more or less derived from this reference architecture
Product Architecture for Productization
To compose and assemble your Product with the fundamental business building blocks, everything to satisfy the customer.