plans are approximated by samm sheperds design of his "engineered mini flying wing" (-> youtube).
i used some wooden spars and cut the wings with a DIY hot wire cutter from cheap insulation foam and coated it in packing tape. the goal is to build larger ones for me and a friend to do some fpv flying together.

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https://www.youtube.com/watch?v=fpoMi3v-i7c