Cactus Brick was at Southwest Makerfest in March 2022. We had a community build Mosaic, Arduino based train controller on display, a Lego based spirograph and a couple remote controlled Lego cars.
![](https://picperf.io/https://cactusbrick.org/wp-content/assets/train_controller.jpg)
![](https://picperf.io/https://cactusbrick.org/wp-content/assets/spirograph_and_friends.jpg)
![](https://picperf.io/https://cactusbrick.org/wp-content/assets/Mosaic_pieces.jpg)
![](https://picperf.io/https://cactusbrick.org/wp-content/assets/Finished_Mosaic.jpg)
Cactus Brick was at Southwest Makerfest in March 2022. We had a community build Mosaic, Arduino based train controller on display, a Lego based spirograph and a couple remote controlled Lego cars.