sketch-a-day
coding a visual idea a day
Welcome! My name is Alexandre Villares and since January, 2018 I have been coding sketches everyday, publishing the source code in the same repository that stores this page, github.com/villares/sketch-a-day.
The results here are mostly tentative, exploratory, and I don’t feel like they need to be relevant or meaningful on any particular day. The everyday practice leads to the emergence of ideas that I consider interesting, worthy of further exploration. Some of those have been added to selected work, this collection itself became valuable for me, and it is my pleasure to share it with anyone willing to explore coding as a creative and expressive medium.
You can follow me on Mastodon @villares@ciberlandia.pt or at @villares@pynews.com.br, where I post most of my daily sketches. Please do not hesitate to contact me regarding licenses to use my work, teaching opportunities, consulting or other projects.
If you appreciate what I have been doing, you may also support my artistic work, research and open educational resources I publish on-line using the Brazilan PIX key at 46c37783-5edb-4f1c-b3a8-1309db11488c, PayPal or [Wise]https://wise.com/pay/me/alexandrev562).
2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018
sketch_2025_04_25
WIP
sketch_2025_04_24
sketch_2025_04_23
sketch_2025_04_22
sketch_2025_04_21
sketch_2025_04_20
sketch_2025_04_19
sketch_2025_04_18
sketch_2025_04_17
Yet another GOL…
sketch_2025_04_16
sketch_2025_04_15
sketch_2025_04_14
sketch_2025_04_13
sketch_2025_04_12
sketch_2025_04_11
sketch_2025_04_10
sketch_2025_04_09
sketch_2025_04_08
sketch_2025_04_07
sketch_2025_04_06
sketch_2025_04_05
sketch_2025_04_04
sketch_2025_04_03
sketch_2025_04_02
#LSystem
sketch_2025_04_01
sketch_2025_03_31
Done during class.
sketch_2025_03_30
sketch_2025_03_29
Trying to adapt an awesome zoom strategy from my dear friend @Introscopia@coletivos.org
sketch_2025_03_28
sketch_2025_03_27
sketch_2025_03_26
sketch_2025_03_25
Astronaut Eileen Collins
sketch_2025_03_24
sketch_2025_03_23
sketch_2025_03_22
sketch_2025_03_21
sketch_2025_03_20
sketch_2025_03_19
sketch_2025_03_18
sketch_2025_03_17
sketch_2025_03_16
sketch_2025_03_15
sketch_2025_03_14
sketch_2025_03_13
sketch_2025_03_12
Work in progress… #OpenStreetMap data as usual #osmnx
sketch_2025_03_11
sketch_2025_03_10
sketch_2025_03_09
sketch_2025_03_08
sketch_2025_03_07
sketch_2025_03_06
Collage from “Mercado Municipal (São Paulo)” by Wilfredo Rafael Rodriguez Hernandez (Wilfredor) https://commons.wikimedia.org/wiki/File:Mercado_Municipal_(S%C3%A3o_Paulo)_16.jpg Creative Commons Attribution-Share Alike 4.0 International license.
sketch_2025_03_05
Demo of raster clipping/masking with #py5 and #numpy.
sketch_2025_03_04
sketch_2025_03_03
sketch_2025_03_02
sketch_2025_03_01
sketch_2025_02_28
Domingo vai ter oficina de GIFs animados no Garoa… versão maior da animação
sketch_2025_02_27
sketch_2025_02_26
sketch_2025_02_25
Adding basic zoom and pan
sketch_2025_02_24
Poly data (c) OpenStreetMap contributors https://www.openstreetmap.org/copyright
sketch_2025_02_23
sketch_2025_02_22
sketch_2025_02_21
sketch_2025_02_21 [matplotlib]
sketch_2025_02_20
#ControlP5 example. This is a Processing Java library, but it can be used with py5 :)
sketch_2025_02_19
sketch_2025_02_18
sketch_2025_02_17
sketch_2025_02_16
#DelaunayTriangulations and #TravelingSalesmanProblem investigations with #SciPy can be in 3D too :)
sketch_2025_02_15
sketch_2025_02_14
sketch_2025_02_13
#SciPy.spatial #ConvexHull and #MinimalSpanningTree
sketch_2025_02_12
sketch_2025_02_11
#TravellingSalesmanProblem #MinimalSpanningTree #SciPy #graphs
sketch_2025_02_10
Naive “nearest neighbor” #TravelingSalesmanProblem aproximation with just #scipy, fast but crude. Maybe tomorrow I’ll try to implement something from a scientific paper on the problem, or maybe a naive genetic algorithm just for fun.
sketch_2025_02_09
#networkx #TSP approximation
sketch_2025_02_08
#MinimalSpanningTree #networkx
sketch_2025_02_07
#networkx #MinimumSpanningTree
sketch_2025_02_06
sketch_2025_02_05
sketch_2025_02_04
sketch_2025_02_03
sketch_2025_02_02
sketch_2025_02_01
Another #PixelSorting experiment I didn’t heve the energy to try yesterday, also from an earlier #OSNoise sketch idea + #NumPy.
sketch_2025_01_31
Using #numpy.sort on a variation of the previous sketch, animating a few frames, but the color compression is brutal :(
sketch_2025_01_30
sketch_2025_01_29
sketch_2025_01_28
Interactive OpenSimplexNoise based “infinite scroll” #genuary28 #genuary2025
sketch_2025_01_27
sketch_2025_01_26
sketch_2025_01_25
sketch_2025_01_24
sketch_2025_01_24 [p5js]
I’m too sad to make my own #genuary sketch because of news of Vamoss passing away. I decided to just tweak one of his openprocessing sketches, he loved that people could work on top of his code. We will miss him so much. His inspiring energy will live on.
sketch_2025_01_23
sketch_2025_01_22
sketch_2025_01_21
#genuary21
sketch_2025_01_20
#genuary20
sketch_2025_01_19
#genuary2025 #genuary19 Homage to Jesús Soto.
sketch_2025_01_18
A lazy rehash of a PyMunk sketch
sketch_2025_01_17
#genuary2025 #genuary17
sketch_2025_01_16
sketch_2025_01_15
#genuary2025 #genuary15
sketch_2025_01_14
#genuary2025 #genurary14
sketch_2025_01_13
sketch_2025_01_12
#genuary2025 #genuary12
sketch_2025_01_11
#Wolfram #genuary2025 #genuary11 I wanted to optimize with NumPy but couldn’t do much, the drawing part needs more work…
sketch_2025_01_10
#genuary2025 #genuary10 Tau is the only number contant… (based on genuary 8)
sketch_2025_01_09
I’d love to see Wolfram’s “rule 30” on my bus seats! #genuary9 #genuary2025
sketch_2025_01_08
4000 white points randomly selected from the volume of a sphere, rotated over the Y axis and redrawn 250 times. #genuary2025 #genuary8
sketch_2025_01_07
sketch_2025_01_07 [python]
#pyautogui #LibreOffice
sketch_2025_01_06
sketch_2025_01_05
sketch_2025_01_04
sketch_2025_01_03
The next day I think I improved it:
#genuary3 #genuary2025 “42 lines of code”
sketch_2025_01_02
#genuary2 #genuary2025 layers and layers.
sketch_2025_01_01
2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018
The sketch-a-day project, images and code repository, by Alexandre B A Villares are licensed under Attribution-NonCommercial-NoDerivatives 4.0 International , except if marked/attributed otherwise in a file or code section. Please contact for licensing questions.