structure base: I designed modelled stick on fusion 360, use cnc machine and fusion 360 CAM to mill the model on foam, I did interior cut to put the tube and electric wire inside, then I made the final stick with cotton fiber and epoxy resin composites.
I designed and modelled the fork final model, then design the positive and negative molds all on fusion 360, arrange for milling, prepare setups on fusion 360 CAM, send to shopbot, make the silicon rubber molds, add channel to the molds, then cast with epoxy resin the two mirror parts.
I designed and modelled First handle base and body on fusion360. 3D print the model using cura.
I designed Second handle on Inskape, prepare machine setups and send to machine to mill the parts, finishing and assemble.
Electronics base: I designed one card Electronic circuit contain sashakit board, H-bridge, voltage regulator, and capacitors values are as indicated in the datasheet of voltage regulator. potentiometer for speed increase, and on/off toggle switch to start and stop motor. when programming this board it didnt work after I troubleshoot without knowing what goes wrong on the time. I then make design with two electronic cards to help better debug electronics part. I used sashakit add two pin headers for VCC and GND, fiber laser, stuff the board, and designed H_bridge board solder and stuff.
programming base: I build the circit and start programming after many failed tries. I tried programming arduino with the bridge board and it works, then I tried the sashakit board, I heared a little noise from the motor, then I replaced the potentiometer cables and it works! so power in potentiometer cable was not enough to run the motor. both boards work.
all the project parts work. the first handle base was designed with slots for 9V battery and one electronics card. these slots were not used later because second version of electronics were two cards, I needed to keep header pins on the card and sold jumper cables.
there are another two wood pieces designed to hold the fork but these parts were not used later as the design of the fork changed many times.
on the time the main question that I needed to resolve was the design of the fork, choice of the stick material/process. the finishing tool design and features to impliment were diffrent from what I set previousely in the project concept.
This design version need to be developped to refine the design and add more features for production model, like stick extention, choice of dc motor according to models in the market and test on olive tree, two fork designs for the model, use same and/or different materials for fork casting for more robust part, and composites stick for finer design, materials like plastic, epoxy resin, carbon fiber, cotton fiber, casting electronics, refine design for second handle, developping power circuit for the tool either by using battery, battery converter and solar energy to charge the battery, or using an electric generator, design enviromently friendly.
I learned a lot about choosing digital processes, choosing materials, digital machines potential, design for the machine, electronics circuit design, and physical programming. these workshops are rich informative and experimenting. they will certainly help me to do my first steps in digital fabrication.
documentation during development