Test Tube Holder and Drying Rack

This product is called a Test Tube Holder including test tube drying racks on the sides. The purpose of this product is to offer a cheaper alternative to regular test tube racks sold by companies. Instead, teachers can print out as many of these racks as possible for a cheaper price. The problem that inspired us to create this product was the lack of test tube holders in our chemistry laboratories. Instead of buying a set of new ones, which would be expensive and would not hold enough test tubes