Foam Board Cutters

thingiverse

I created these to help me get better cuts when building foam board planes. I made the blade depth adjustable because sometimes you do not want to cut all the way through. There are 4 different cutters. 1. Straight single blade cutter. 2. Double blade cutter. Gap is 4 mm between blades. Used for creating folds. A folds and B folds for those that know Flite Test planes. 3. Edge cutter. Holds 1 blade and an edge guide for cutting 4 mm into the edges of the board. Uses the same holder as the double blade cutter, just use the guide piece instead of a blade. 4. 45 Degree cutter. Used primarily for control surface relief cuts. I am using razor blades rather than utility blades. I am using 3M screws and nuts to hold everything together. Razor blades are sharp. I make no claim that these make them safer. Use at your own risk. 12/22/2018 - I finally used these on a full project. They work pretty well, not perfect but pretty well. I will add some mods after Christmas.