This weeks capstone material presented good points about presenting. It is easy to try to make content super impressive and technical. That doesn't do the presenter a lot of good though. A presentation should be understandable. For me this is important because there will be people outside of my target audience that can help with a project. There are large gaps in my knowledge relating to business and profitability. So if I am giving a presentation about a device that I am working on it would be good to also make it understandable by people with a different field of interests.
Also discussed was making a presentation memorable and emotional. When I give a presentation I try to focus on having very little that needs to be remembered other than a few words that link the structure together. Making a presentation connect emotionally is about honesty.
Outside the reading this week was about designing and printing parts. Although on accident, there was a good lesson in material saving this week. By stopping my print accidently after the first key features were built I was able to make a few small alignment and fit changes. In the example image below the test tube is loose in the holder, so a tighter section was added to the top. The light sensor board on the right was offset slightly by around 1.5mm. So that component was shifted as well. This kind of partial print technique would be good for many applications, including making a close fit around an odd shape. 
Cutaway view of print for test fit check of sensor board, light board, and test tube.
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