Ti-30X IIs Calculator Cover
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Calculator covers that are numbered 1-30 A file for dividers has also been uploaded.
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Model information
- Source
- Printables
- Category
- Math
- License
- Creative Commons — Attribution — Noncommercial
The goal was to create custom calculator covers so they could be color coded and numbered. Since these calculators just stay in the classroom, so protection was not the main concern. While they can cover the front, they were designed to stay on the back as a way to color code the calculators.
The divider that was linked just needs cardboard to become a fully functional test divider for four students. It has holders for calculators, and these cases fit perfectly into the holders.
Design Changes:
It took three different tries to get the perfect cover for the calculators. The first model wasted a bit of filament on the back, and was not tight enough. It also was not numbered.
For the second version, numbers were engraved and a section of the back was removed. It was a good fit, but the profile was too large and the cover interfered with one's ability to press the buttons on the side.
The final version was even more streamlined and the buttons were all accessible.
At a glance the difference might not seem great. Here are all three models side by side
This is how the side profile changed, with the rims being lowed to better hold the calculator.
And the distance from the buttons also changed. Before (left) it was too close and the side buttons were hard to press. Now (right) the side of the case is farther from the buttons.
