Materials List:
Bone Transplants—No Donors Necessary!
https://www.teachengineering.org/activities/view/nds-1726-bone-transplants-biomedical-mimic-3d
Each group needs:
- 1 calipers, such as steel Vernier calipers from Flinn Scientific at https://www.flinnsci.com/vernier-calipers-steel/ab1006/
- 1 turkey leg, from grocery stores; remove meat and boil
- a computer loaded with CAD software, such as free Google Sketchup from https://www.sketchup.com/ or AutoCad at https://knowledge.autodesk.com/support/autocad
- a variety of bone-building materials such as clay, pipe cleaners, straws, cardboard, coffee stirrers and tape
- 500-ml graduated cylinder
- water, sink and drain
- 1-2 sheets of graph paper
- Bone Transplant Pre/Post-Quiz, two per student
- Bone Transplant Worksheet, one per student
- 3D Bone Prototype Rubric, one per group
- printout of online article (one per student) that describes a 3D-printed eagle humerus at http://3dprintingindustry.com/news/saving-eagle-rapid-prototyping-82967/; alternatively, arrange for students to read online
To share with the entire class:
- capability to show the class a 17-minute online video
- white air dry modeling clay, about 4 oz (113 g) per group (depending on femur size), such as 2.5 lbs (enough for 10 groups) from Hobby Lobby at https://www.hobbylobby.com/Crafts-Hobbies/Kids-Crafts-Activities/Crafts/White-Crayola-Air-Dry-Clay/p/22438
- pipe cleaners, about 10 per group; such as a package of 140 foot-long brown chenille stems (enough for class) from Hobby Lobby at https://www.hobbylobby.com/Crafts-Hobbies/Basic-Crafts/Chenille-Stems/Light-Brown-Chenille-Stems-Value-Pack/p/140308
- plastic drinking straws, about 10 per group; such as bag of 100 (enough for class) at Hobby Lobby at https://www.hobbylobby.com/Party-Baking/Party-Supplies/Tableware/Assorted-Straws/p/110892
- scotch transparent tape, such as half-inch width (1 roll enough for class)
- additional building supplies, such as coffee stirrers and cardboard, or other reasonable material requests from groups
- electronic balance, such as this 300-g capacity scale from Flinn Scientific at https://www.flinnsci.com/flinn-scientific-electronic-balance-300-x-0.1-g/ob2138/
- hack saw, such as a 10-inch standard hack saw from Home Depot at https://www.homedepot.com/p/Stanley-10-in-Adjustable-Hack-Saw-STHT14039/311327254
- eye protection, for when using the hacksaw
- 3D printer
- extra paper, as needed, for prototype redesigns
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