While I have the necessary knowledge and skills to do so, your message seems to imply that you desire a usable, complete result quickly. I think you would be more satisfied by a list of free and open source alternatives to Figma (such as Penpot, Quant UX, or Plasmic). If you insist on creating a new application comparable to Figma, then the first step would be to define the project requirements before coding anything.
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