Sound Wave Plotter

first make the hand as it is the easiest one then

proceed to the next one which is the pen holder

after that design the pen holder handle then print them.

parts are listed with their files.

to create the base of the build, choose a material, preferably wood and cut it out in the CNC machines

in assembly, first connect the pencil and pen-holder then after its compact connect the connect them with nuts and screw then add it to the base.

the final product should look like this