Overdesigned Watermelon Cuber/Slicer (A1 Mini)

I wanted to create something that would quickly cube a watermelon for my kids but also could print on the A1 mini. This took a few tests and modifications but I'm happy with where it is. Improvements would be to actually reduce the handle length so 1-2 more cubes of watermelon could come off the back. Note the nut is 95% scale on purpose as solid edge sucks at threads. The wheel mechanism is not assembled, it prints in place which is kind of cool!

To assemble, just use the nut and bolt to put the wheel inside the handle.

Make sure you print on something food safe! I used PLA here but PETG would be better. As well, for smaller cubes you can scale everything down further but due to the print in place nature you need to make sure you have an accurate print, or else the wheel blades won't articulate! Now in 2026 we have PLA pure but it's up to you how food-safe you consider various materials and 3d printing.

New: I've updated this because I was asked if people can print and sell. Don't sell the model files but you can print and sell this at markets, online, etc. Go nuts! I appreciate a boost if you like the model or make some money off it :)