The novelty geometric object; Corona Hedron. Keeping humor and playful amusement in any situation is charming capriciousness. Making something that can be held may permit one to come to grips with their circumstances.
This DIY cardmodel has an illustrated instruction page and some variation parts. 5 pages, 25 parts, most of them 2-piece bottle components, assembles logically and easily with some shaping effort. Builds to 18cm(7-inch) long-direction across bottle-mouth to bottle-mouth.
You download a ready-to-print PDF file.
Mostly due to many small rolled pieces and limited instructions I rank this cardmodel Level-3: ~EXPERT~ moderately complex parts that are complicated to build.