Week 13: Machine Building

This week, we built a light painting machine at Harvard section. Here's our group page!

I contributed to assembly and documentation and I also coordinated the project for Harvard section.

For my project management role, I created a Google doc for our section that everybody can see and edit to facilitate the process in combination of e-mails / text messages. It was very actively and effectively used during the week.

On Wednesday, I collected machine building idea, contact information, skills to contribute and general availability information from the team. 


# Name Machine Making Idea Skills to Contribute Time Available This Week
1 Andrew Mao Drawing/plotting machine (pencil head)
Cake decorating machine (cream extruder)
No need to be over-ambitious here, I think
Can do anything, but might be most helpful for the electronics/programming away sat-mon for a wedding
will be here fri/tue
2 Nathan Melenbrink Machine That Makes Mixed Drinks. Programmed to prepare a number of beverages from a few standard ingredients. Would be a functional addition to open house. Generating gcode from grasshopper (or whatever else) whenever, mostly
3 Tout Wang I wasn't in class today so I'm not sure of the parameters of our design task, so I'll leave it up to the rest of you to decide! anything that involves physics! =) Fri all afternoon
Sat all afternoon
Sun between 3 and 6pm
Mon before 7pm
Tue all day
4 Zach Seibold x 2 for a drawing machine (whether light , paint or markers) Up for anything - probably best @ designing/fabbing portions of the end effector? all day Th, F,M; sproadically on Sa, Su; After 6pm on T
5 Sarah Jessop I liked Oliver's idea about making a light-picture machine (see attached photos). Or a graffiti machine (spray paint). I'll also keep thinking! Cutting, milling/soldering, documenting process. Super limited, unfortunately. In person: Th day and Tu evening (happy to be there for the push!). Remotely: Sa, Su, M via email or Facetime (will be in California).
6 Sarah Zhang Simple 3D printer? It sounds like there are sufficient tutorials out there (http://www.3ders.org/3d-printer/how-to-build-3d-printer.html) and we can make one for our group to use after this class. Project planning and coordination, basic level of things that we've learned during this class, delivery order and coffee run, etc Th am, Fri afternoon, Sat and Sun all day, Mon am, Tue after 6 pm
7 Vincent Chow Light-picture machine looks pretty awesome, my vote is for that! Nadya mentioned the need to cut down the aluminum shafts - if this requires a lathe, I have access and training to lathes in the Physics machine shop. I can contribute on cutting cardboard, milling/stuffing PCBs, or CAD modeling 3D printed parts for the end effector.
8 Shaunta Butler I like Nathan's Machine That Makes Mixed Drinks. cutting stuff out. I have a studio final wednesday
9 Ling-Li Tseng Cake decorating +1 // 3D print pancake video --http://youtu.be/t3O19n_JqXU?t=32s Cutting, milling/soldering, documenting process. Fri all afternoon
Mon after 5pm
Tue all day
10 Oliver light drawing. It's simple, low power, could be beautiful. I like nate's idea too! I want to do the cutting ASAP probs right after section Friday. Probs w Shaunta friday, Saturday a little bit
11 Kunho Kim
Cutting, milling/soldering, documenting process. I can also help with the alumnium cutting Friday afternoon, Saturday and monday afternoon
12 Desmond Lim


13 Andrzej Nowojewski


14 Daniel Rosenberg How about a conductive ink pen, that connects LEDS to a battery. Assembly, troubleshooting Most times except Saturday
15 Dmitry Ter-Ovanesyan
Growing cells, making breakfast sandwiches, milling/soldeirng Thursday, Friday morning, Sunday morning
16 Shruthi Lakshmi
Laser cutting, milling/soldering, 3d design (I can do it in 3dsmax) if need be. Anytime Saturday, Sunday and Tuesday.

On Thursday, we decided that we'll make the light painting machine that Oliver initially suggested based on our voting result. And I made a proposal on grouping ourselves into work streams to modularize our work, based on skills and availability.


Electronics (Including Cables) Programming (Including Application Interface) Laser Cutting & Folding Aluminum Shaft Cutting End Effector Assembly & Trouble Shooting
1 Sarah J Andrew Oliver Vincent Zach Daniel
2 Ling-Li Nathan Shaunta Kunho Andizej Sarah Z
3 Tout Desmond Shruthi


4 Dima



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5 Shruthi





We roughly followed the module allocation for the entire project. I made sure people could shift themselves around as they wish as long as we have sufficient coverage on each module.

I also organized mid-way check-in on Sunday and final push session on Tuesday. We had a lot of pizzas and a lot of fun working together.

The pictures were all stored in a Google drive and we shifted the ones we used for the web page when we combined the pages on Tuesday.

It was overall a great experience and I'm very glad that I got to know many section friends better because of it!!