Vintage Vietnamese Thermos (Retro Style) – Website: https://papercraft.info.vn/ – Facebook: https://www.facebook.com/vnpapercraft Implementation Challenges (Pain Points): – Curving the Cylinder: The red body and the neck require consistent paper rolling techniques to avoid unwanted creases. Failure to pre-curve the paper properly will result in a dented or “boxy” appearance. – Glue Tabs (Teeth): The base and lid components feature many small triangular glue tabs. Precise cutting and careful glue application are necessary to ensure the bottom stays flat and stable. – Handle Assembly: The black handle…