No materials. Lighting is done using Sky Texture. No compositing.
Day 11 - Hive
Hexagons distributed on points grid, Subdivision for randomness, Manifold Boolean (pretty fast!) and Set Position based on distance to edge.
Day 12 - Monument
Initially wanted to make Great Wall of China, but quickly realized it’s not a one day build.
El Castillo was a pleasure to make. Such a form is just asking to be made procedurally.
Used Decimate Curve from higgsas geometry nodes groups for temple curve profile.
Day 13 - Cabin
Used tile generator I made some time ago and higgsas geometry nodes groups (Edge Offset, Inset Faces).
Realized I can use volume node without the need of setting material to it.
Day 14 - Camp
The biggest failure so far. I got too distracted tinkering with mountains and haven’t had time to implement even a half-decent tent generator.
Day 15 - Trap
Played with XPBD solver. There are two simulations that are switched near guillotine one with sphere and the other one with halves.
Day 16 - Drone
Forgot to add blades 
I really want to finish animation for this one (with physics solver).
Day 17 - Helmet
Haven’t finished it in one day and at the end was so tired that was just hardcoding indices.
Loft Splines, Edge Offset, 3D Curve Fill from higgsas geometry nodes groups.
Day 18 - Rocket
Translated an example from one of my favorite books The Nature of Code (only the fittest is displayed).
It’s so captivating to play with parameters.
I reproduced the cool rocket from Blender download experimental page.
For even thickness of the outline I used z-Curve-Sweeper by zeroskilz.
Day 19 - Tool
I’m very glad of how this one turned out.
There are 3 types of nodes: with geometry input/output, join geometry and “math”.
It’s funny that generated nodes are much tidier 
z-Curve-Sweeper by zeroskilz for outline.
Day 20 - Mask
I found this mask a long time ago and wanted to make similar mask for Halloween.
SDF Grid > Smooth Geometry > Mesh Boolean
At some point I just could not call the projects finished and they started to pile up. But I still have fun playing with nodes.
