A perfect gift for any math teacher- the precisely oriented holes in this base direct 16 pencils to reveal a hyperboloid, the 3D surface traced by revolving a diagonal(skew) line, the outline of which is the conic section of the hyperbola. A doubly ruled surface for any desktop!
This stylish pen / pencil holder is a great way to store your writing utensils. Can store up to 16 pens, pencils, hobby knives, or anything that is similarly shaped and of similar thickness.
This product is 3D Printed and made to order. Please allow 1-3 business days for printing time before shipment.
Pictures do not accurately reflect the size of this product! Please check dimensions listed below to make sure that this product will fit.
*Pencils Not Included