This must have been one teacher that lost it with kids sharpening pencils. I got a kick out of it but I am pretty sure I would never build this myself.
http://www.instructables.com/id/Gas-powered-pencil-sharpener-for-students-that-sp/
This must have been one teacher that lost it with kids sharpening pencils. I got a kick out of it but I am pretty sure I would never build this myself.
http://www.instructables.com/id/Gas-powered-pencil-sharpener-for-students-that-sp/