Along with the girl scouts in Wisconsin we built a trebuchet and taught the girls about 3d printing. This was us prototyping at the BAM space.
Aaron talking about 3d printing to the campers
Me teaching simple trigonometry to the girls
Putting the trebuchet together
Launching the trebuchet
Hosted at Alverno College in Milwaukee as a summer camp for Girl Scouts
Replacing original servo motors with steppers that can be easily controlled by the raspberry pi. The plotter is being converted to make custom PCBs for the museum.
Attaching the belt to the new motor
3d printed pen holder for sharpies
Pen mounted in the plotter
What happens when you don't use floating point numbers and calibration of the pens
Testing the pens accuracy