Monday, December 15, 2014

Optics Museum Project Construction Day 2


Today was the second day of our Optics Museum construction. For our project, my partners and I decided we would include a smaller wooden box within the large one (see "Optics Museum Project Construction Day 1"). This smaller box will serve as both a container and as an optical illusion. I plan on painting the wood using black acrylic paint, and diagonally inserting a plane mirror. After the plane mirror is secure, I will store small 3D-printed pieces in the box. The combination of the black paint and mirror will give the illusion that the box is empty.

The box's dimensions were based off of the plane mirror we ordered. My partner helped use the table saw to cut the wood pieces into the desired size. Because the walls of this box were only about 10cm x 10cm, wood glue was used rather than nails.

Box for plane mirror (approximately 10cm x 10cm)

I spent majority of the period modeling the small pieces for the plane mirror illusion. I have done 3D-modeling in the past, so designing using AutoDesk Inventor again today was quite enjoyable. Because these pieces will need to fit into the small box, they are each no larger than 3 centimeters.

"Puzzle piece" for plane mirror box created in Inventor
I began with setting the program so that dimensions were marked with metric units. This time, specifically for the purpose of size, I used millimeters. I used the "line" tool to sketch the general shape of the pieces. I corrected the scale by manually entering in dimensions after the basic shapes were determined. Then I used the "extrude" tool to convert the 2-dimensional sketch into the 3-dimensional model, soon to be used in the actual printing of the object. 

"Puzzle piece" for plane mirror box created in Inventor

For the next class, I plan on printing the pieces I modeled. If all goes well, we will be able to complete this portion of the project.  

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