Snowflake
I have a challenge with some students to make a Christmas ornament in Madeup. I was pretty certain I was going to make a cutesy revolved Christmas tree, but I needed more time to think about the math. I fell back on something we fall back on:
A dowel-y snowflake.
All told, the snowflake is comprised of 2 + 6 * 3 = 20 dowels, 2 for the concentric hexagons, and 6 * 3 for the 6 spurred arms. The Madeup code follows:
/usr/lib/ruby/2.7.0/rubygems/dependency.rb:311:in `to_specs': Could not find 'coderay' (>= 0) among 56 total gem(s) (Gem::MissingSpecError) Checked in 'GEM_PATH=/.gem/ruby/2.7.0:/var/lib/gems/2.7.0:/usr/lib/ruby/gems/2.7.0:/usr/share/rubygems-integration/2.7.0:/usr/share/rubygems-integration/all:/usr/lib/x86_64-linux-gnu/rubygems-integration/2.7.0:/home/johnch/.gems', execute `gem env` for more information from /usr/lib/ruby/2.7.0/rubygems/dependency.rb:323:in `to_spec' from /usr/lib/ruby/2.7.0/rubygems/core_ext/kernel_gem.rb:62:in `gem' from ./coderay:24:in `'
It printed cleanly:
Two snowflakes may be alike when 3D printed.
This is the time of year to make snow angles.