joao did a great job documenting the week.
alayah wanted to build a pancake machine
i wanted to do something with circles
polar coordinate systems
extrude pancake batter
i gots the hot plate
![](images/IMG_6842.jpg)
sketch - polar extruder arm
picked up the extra 80/20 extrusions from CBA
1x3 slots, each stick is 200cm long
cut extrusion on horizontal bandsaw
![](images/IMG_6817.jpg)
more friendly lengths
lay it out / cut it out
![](images/IMG_6820.jpg)
making plates - jumpshear
![](images/IMG_6818.jpg)
![](images/IMG_6819.jpg)
finger brake
drill out / assemble
![](images/IMG_6822.jpg)
punch holes, assemble team
![](https://fab.cba.mit.edu/classes/863.22/Architecture/people/Joao/assets/week_13/w13_form_structure.jpg)
the structure emerges
chi li's polargraph in grasshopper
jakin's draw to xy coordinates
![](https://fab.cba.mit.edu/classes/863.22/Architecture/people/Joao/assets/week_13/w13_extruder_pump_01.jpg)
selin and chi li's peristaltic pump!
![](https://fab.cba.mit.edu/classes/863.22/Architecture/people/Joao/assets/week_13/w13_extruder_pump_02.jpg)
peristaltic pump with idler wheels
pump it up
last test
who's hungry
great job team!