How do I actually go from a rough idea to a working prototype?
Don't design in a vacuum, sketch the concept, then get it into a factory's hands as a rough CAD file or even a hand-built mockup within your first few weeks, because feedback on a physical thing beats another week in Figma. Most Indian manufacturers will iterate off a reference sample (buy something similar off Amazon/IndiaMART and mark it up) faster than off a spec alone. Budget for 2-3 rounds before you have something worth showing a customer.
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4 resources, 1 India-specific, 4 link-checked.
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The clearest plain-English walk-through of the design-to-CAD-to-prototype pipeline, useful as a checklist even if you outsource every step to a factory.
A free, structured course to get a Shopify store from zero to its first sale fast - the cheapest way to test whether Shopify's workflow fits you before you commit a monthly plan to it.